57069782 has 32 divisors (see below), whose sum is σ = 113011200. Its totient is φ = 20926080.

The previous prime is 57069781. The next prime is 57069809. The reversal of 57069782 is 28796075.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57069781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8282 + ... + 13517.

It is an arithmetic number, because the mean of its divisors is an integer number (3531600).

Almost surely, 2^57069782 is an apocalyptic number.

57069782 is a deficient number, since it is larger than the sum of its proper divisors (55941418).

57069782 is a wasteful number, since it uses less digits than its factorization.

57069782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21836.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 57069782 is about 7554.4544475429. The cubic root of 57069782 is about 385.0070994362.

The spelling of 57069782 in words is "fifty-seven million, sixty-nine thousand, seven hundred eighty-two".