57472326 has 48 divisors (see below), whose sum is σ = 129712128. Its totient is φ = 18370800.

The previous prime is 57472307. The next prime is 57472351. The reversal of 57472326 is 62327475.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70461 + ... + 71271.

It is an arithmetic number, because the mean of its divisors is an integer number (2702336).

Almost surely, 2^57472326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57472326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64856064).

57472326 is an abundant number, since it is smaller than the sum of its proper divisors (72239802).

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

57472326 is a wasteful number, since it uses less digits than its factorization.

57472326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977 (or 974 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 57472326 is about 7581.0504549172. The cubic root of 57472326 is about 385.9102004140.

It can be divided in two parts, 574 and 72326, that added together give a square (72900 = 270²).

The spelling of 57472326 in words is "fifty-seven million, four hundred seventy-two thousand, three hundred twenty-six".