57472340 has 24 divisors (see below), whose sum is σ = 127044960. Its totient is φ = 21778848.

The previous prime is 57472307. The next prime is 57472351. The reversal of 57472340 is 4327475.

57472340 = 976² + 977² + ... + 1032².

It is a junction number, because it is equal to n+sod(n) for n = 57472297 and 57472306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75242 + ... + 76001.

It is an arithmetic number, because the mean of its divisors is an integer number (5293540).

Almost surely, 2^57472340 is an apocalyptic number.

It is an amenable number.

57472340 is an abundant number, since it is smaller than the sum of its proper divisors (69572620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57472340 is a wasteful number, since it uses less digits than its factorization.

57472340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151271 (or 151269 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 57472340 is about 7581.0513782720. The cubic root of 57472340 is about 385.9102317493.

The spelling of 57472340 in words is "fifty-seven million, four hundred seventy-two thousand, three hundred forty".