57074879 has 4 divisors (see below), whose sum is σ = 60078840. Its totient is φ = 54070920.

The previous prime is 57074869. The next prime is 57074887. The reversal of 57074879 is 97847075.

57074879 = 1207² + 1208² + ... + 1244².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57074879 - 2⁴ = 57074863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57074819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501952 + ... + 1501989.

It is an arithmetic number, because the mean of its divisors is an integer number (15019710).

Almost surely, 2^57074879 is an apocalyptic number.

57074879 is a deficient number, since it is larger than the sum of its proper divisors (3003961).

57074879 is a wasteful number, since it uses less digits than its factorization.

57074879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3003960.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 57074879 is about 7554.7917906452. The cubic root of 57074879 is about 385.0185609762.

It can be divided in two parts, 5707 and 4879, that multiplied together give a triangular number (27844453 = T₇₄₆₂).

The spelling of 57074879 in words is "fifty-seven million, seventy-four thousand, eight hundred seventy-nine".