1373970 has 48 divisors (see below), whose sum is σ = 3583872. Its totient is φ = 336960.

The previous prime is 1373959. The next prime is 1373989. The reversal of 1373970 is 793731.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4935 + ... + 5205.

It is an arithmetic number, because the mean of its divisors is an integer number (74664).

2^1373970 is an apocalyptic number.

1373970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1791936).

1373970 is an abundant number, since it is smaller than the sum of its proper divisors (2209902).

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

1373970 is a wasteful number, since it uses less digits than its factorization.

1373970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 1373970 is about 1172.1646642004. The cubic root of 1373970 is about 111.1712315380.

The spelling of 1373970 in words is "one million, three hundred seventy-three thousand, nine hundred seventy".