57073928 has 12 divisors (see below), whose sum is σ = 107053695. Its totient is φ = 28526280.

The previous prime is 57073903. The next prime is 57073931. The reversal of 57073928 is 82937075.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 28536964 + 28536964 = 5342^2 + 5342^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5342.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20033 + ... + 22703.

Almost surely, 2^57073928 is an apocalyptic number.

It is an amenable number.

57073928 is a deficient number, since it is larger than the sum of its proper divisors (49979767).

57073928 is an frugal number, since it uses more digits than its factorization.

57073928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 57073928 is about 7554.7288501971. The cubic root of 57073928 is about 385.0164225299.

The spelling of 57073928 in words is "fifty-seven million, seventy-three thousand, nine hundred twenty-eight".