57670392 has 128 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 16373760.

The previous prime is 57670391. The next prime is 57670397. The reversal of 57670392 is 29307675.

It is a super-2 number, since 2×57670392² = 6651748226867328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 57670392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57670391) 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, 440167 + ... + 440297.

It is an arithmetic number, because the mean of its divisors is an integer number (1309770).

Almost surely, 2^57670392 is an apocalyptic number.

57670392 is a gapful number since it is divisible by the number (52) 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 57670392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83825280).

57670392 is an abundant number, since it is smaller than the sum of its proper divisors (109980168).

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

57670392 is a wasteful number, since it uses less digits than its factorization.

57670392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 57670392 is about 7594.1024486110. The cubic root of 57670392 is about 386.3530109306.

The spelling of 57670392 in words is "fifty-seven million, six hundred seventy thousand, three hundred ninety-two".