57274632 has 96 divisors (see below), whose sum is σ = 166753080. Its totient is φ = 17694720.

The previous prime is 57274627. The next prime is 57274643. The reversal of 57274632 is 23647275.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 57244356 + 30276 = 7566^2 + 174^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 89032 + ... + 89672.

Almost surely, 2^57274632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57274632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83376540).

57274632 is an abundant number, since it is smaller than the sum of its proper divisors (109478448).

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

57274632 is a wasteful number, since it uses less digits than its factorization.

57274632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743 (or 736 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 57274632 is about 7568.0005285412. Note that the first 3 decimals coincide. The cubic root of 57274632 is about 385.4672058988.

The spelling of 57274632 in words is "fifty-seven million, two hundred seventy-four thousand, six hundred thirty-two".