57280873 has 8 divisors (see below), whose sum is σ = 62431488. Its totient is φ = 52236624.

The previous prime is 57280843. The next prime is 57280897. The reversal of 57280873 is 37808275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57280873 - 2⁵ = 57280841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57280823) 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, 25465 + ... + 27622.

It is an arithmetic number, because the mean of its divisors is an integer number (7803936).

Almost surely, 2^57280873 is an apocalyptic number.

It is an amenable number.

57280873 is a deficient number, since it is larger than the sum of its proper divisors (5150615).

57280873 is a wasteful number, since it uses less digits than its factorization.

57280873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53183.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 57280873 is about 7568.4128455047. The cubic root of 57280873 is about 385.4812063581.

The spelling of 57280873 in words is "fifty-seven million, two hundred eighty thousand, eight hundred seventy-three".