57723906 has 16 divisors (see below), whose sum is σ = 115532064. Its totient is φ = 19227264.

The previous prime is 57723901. The next prime is 57723907. The reversal of 57723906 is 60932775.

It is not an unprimeable number, because it can be changed into a prime (57723901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8626 + ... + 13778.

It is an arithmetic number, because the mean of its divisors is an integer number (7220754).

Almost surely, 2^57723906 is an apocalyptic number.

57723906 is an abundant number, since it is smaller than the sum of its proper divisors (57808158).

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

57723906 is a wasteful number, since it uses less digits than its factorization.

57723906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 57723906 is about 7597.6250236505. The cubic root of 57723906 is about 386.4724766422.

The spelling of 57723906 in words is "fifty-seven million, seven hundred twenty-three thousand, nine hundred six".