57372207 has 8 divisors (see below), whose sum is σ = 76834176. Its totient is φ = 38079192.

The previous prime is 57372199. The next prime is 57372209. The reversal of 57372207 is 70227375.

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

It is not a de Polignac number, because 57372207 - 2³ = 57372199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57372209) 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 7 ways as a sum of consecutive naturals, for example, 41443 + ... + 42804.

It is an arithmetic number, because the mean of its divisors is an integer number (9604272).

Almost surely, 2^57372207 is an apocalyptic number.

57372207 is a deficient number, since it is larger than the sum of its proper divisors (19461969).

57372207 is a wasteful number, since it uses less digits than its factorization.

57372207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84477.

The product of its (nonzero) digits is 20580, while the sum is 33.

The square root of 57372207 is about 7574.4443360553. Note that the first 3 decimals coincide. The cubic root of 57372207 is about 385.6859800314.

The spelling of 57372207 in words is "fifty-seven million, three hundred seventy-two thousand, two hundred seven".