57490974 has 48 divisors (see below), whose sum is σ = 133436160. Its totient is φ = 17825280.

The previous prime is 57490967. The next prime is 57490997. The reversal of 57490974 is 47909475.

57490974 is a `hidden beast` number, since 574 + 9 + 0 + 9 + 74 = 666.

It is a super-3 number, since 3×57490974³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26179 + ... + 28289.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 2^57490974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57490974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66718080).

57490974 is an abundant number, since it is smaller than the sum of its proper divisors (75945186).

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

57490974 is a wasteful number, since it uses less digits than its factorization.

57490974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 57490974 is about 7582.2802638784. The cubic root of 57490974 is about 385.9519345593.

The spelling of 57490974 in words is "fifty-seven million, four hundred ninety thousand, nine hundred seventy-four".