57274642 has 8 divisors (see below), whose sum is σ = 86111676. Its totient is φ = 28570752.

The previous prime is 57274627. The next prime is 57274643. The reversal of 57274642 is 24647275.

57274642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57138481 + 136161 = 7559^2 + 369^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (57274643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32203 + ... + 33934.

Almost surely, 2^57274642 is an apocalyptic number.

57274642 is a deficient number, since it is larger than the sum of its proper divisors (28837034).

57274642 is a wasteful number, since it uses less digits than its factorization.

57274642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66572.

The product of its digits is 94080, while the sum is 37.

The square root of 57274642 is about 7568.0011892177. The cubic root of 57274642 is about 385.4672283327.

The spelling of 57274642 in words is "fifty-seven million, two hundred seventy-four thousand, six hundred forty-two".