1374663680 has 176 divisors, whose sum is σ = 3741588480. Its totient is φ = 480411648.

The previous prime is 1374663671. The next prime is 1374663733. The reversal of 1374663680 is 863664731.

It is a super-2 number, since 2×1374663680² = 3779400466222284800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1264097 + ... + 1265183.

Almost surely, 2^1374663680 is an apocalyptic number.

1374663680 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 1374663680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1870794240).

1374663680 is an abundant number, since it is smaller than the sum of its proper divisors (2366924800).

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

1374663680 is a wasteful number, since it uses less digits than its factorization.

1374663680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The square root of 1374663680 is about 37076.4572201822. The cubic root of 1374663680 is about 1111.8993749846.

The spelling of 1374663680 in words is "one billion, three hundred seventy-four million, six hundred sixty-three thousand, six hundred eighty".