57427478 has 8 divisors (see below), whose sum is σ = 88469472. Its totient is φ = 27937656.

The previous prime is 57427477. The next prime is 57427493. The reversal of 57427478 is 87472475.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57427477) 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, 387950 + ... + 388097.

It is an arithmetic number, because the mean of its divisors is an integer number (11058684).

Almost surely, 2^57427478 is an apocalyptic number.

57427478 is a deficient number, since it is larger than the sum of its proper divisors (31041994).

57427478 is a wasteful number, since it uses less digits than its factorization.

57427478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776086.

The product of its digits is 439040, while the sum is 44.

The square root of 57427478 is about 7578.0919762167. The cubic root of 57427478 is about 385.8097938027.

The spelling of 57427478 in words is "fifty-seven million, four hundred twenty-seven thousand, four hundred seventy-eight".