57878072 has 16 divisors (see below), whose sum is σ = 124024560. Its totient is φ = 24804864.

The previous prime is 57878059. The next prime is 57878077. The reversal of 57878072 is 27087875.

57878072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57878077) 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, 516713 + ... + 516824.

It is an arithmetic number, because the mean of its divisors is an integer number (7751535).

Almost surely, 2^57878072 is an apocalyptic number.

It is an amenable number.

57878072 is an abundant number, since it is smaller than the sum of its proper divisors (66146488).

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

57878072 is a wasteful number, since it uses less digits than its factorization.

57878072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033550 (or 1033546 counting only the distinct ones).

The product of its (nonzero) digits is 219520, while the sum is 44.

The square root of 57878072 is about 7607.7639290399. The cubic root of 57878072 is about 386.8162276497.

The spelling of 57878072 in words is "fifty-seven million, eight hundred seventy-eight thousand, seventy-two".