57372347 has 4 divisors (see below), whose sum is σ = 57557136. Its totient is φ = 57187560.

The previous prime is 57372319. The next prime is 57372361. The reversal of 57372347 is 74327375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57372347 - 2⁶ = 57372283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57372347.

It is not an unprimeable number, because it can be changed into a prime (57372317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91928 + ... + 92549.

It is an arithmetic number, because the mean of its divisors is an integer number (14389284).

Almost surely, 2^57372347 is an apocalyptic number.

57372347 is a deficient number, since it is larger than the sum of its proper divisors (184789).

57372347 is a wasteful number, since it uses less digits than its factorization.

57372347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184788.

The product of its digits is 123480, while the sum is 38.

The square root of 57372347 is about 7574.4535776517. The cubic root of 57372347 is about 385.6862937489.

The spelling of 57372347 in words is "fifty-seven million, three hundred seventy-two thousand, three hundred forty-seven".