57472266 has 8 divisors (see below), whose sum is σ = 114944544. Its totient is φ = 19157420.

The previous prime is 57472241. The next prime is 57472279. The reversal of 57472266 is 66227475.

It is a happy number.

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

57472266 is an admirable number.

It is a super-2 number, since 2×57472266² = 6606122718349512, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4789350 + ... + 4789361.

It is an arithmetic number, because the mean of its divisors is an integer number (14368068).

Almost surely, 2^57472266 is an apocalyptic number.

57472266 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57472266 is a wasteful number, since it uses less digits than its factorization.

57472266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578716.

The product of its digits is 141120, while the sum is 39.

The square root of 57472266 is about 7581.0464976809. The cubic root of 57472266 is about 385.9100661197.

The spelling of 57472266 in words is "fifty-seven million, four hundred seventy-two thousand, two hundred sixty-six".