1378074620 has 96 divisors (see below), whose sum is σ = 3304766976. Its totient is φ = 479001600.

The previous prime is 1378074611. The next prime is 1378074629. The reversal of 1378074620 is 264708731.

It is an interprime number because it is at equal distance from previous prime (1378074611) and next prime (1378074629).

It is a super-3 number, since 3×1378074620³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1378074629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295910 + ... + 300530.

It is an arithmetic number, because the mean of its divisors is an integer number (34424656).

Almost surely, 2^1378074620 is an apocalyptic number.

1378074620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1378074620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1652383488).

1378074620 is an abundant number, since it is smaller than the sum of its proper divisors (1926692356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1378074620 is a wasteful number, since it uses less digits than its factorization.

1378074620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711 (or 4709 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 1378074620 is about 37122.4274529563. The cubic root of 1378074620 is about 1112.8182638639.

The spelling of 1378074620 in words is "one billion, three hundred seventy-eight million, seventy-four thousand, six hundred twenty".