457052724 has 18 divisors (see below), whose sum is σ = 1155327810. Its totient is φ = 152350896.

The previous prime is 457052723. The next prime is 457052741. The reversal of 457052724 is 427250754.

It is a happy number.

457052724 is a `hidden beast` number, since 45 + 70 + 527 + 24 = 666.

It can be written as a sum of positive squares in only one way, i.e., 241491600 + 215561124 = 15540^2 + 14682^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 12695909 = 457052724 / (4 + 5 + 7 + 0 + 5 + 2 + 7 + 2 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457052723) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6347919 + ... + 6347990.

Almost surely, 2^457052724 is an apocalyptic number.

It is an amenable number.

457052724 is an abundant number, since it is smaller than the sum of its proper divisors (698275086).

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

457052724 is a wasteful number, since it uses less digits than its factorization.

457052724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695919 (or 12695914 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 457052724 is about 21378.7914532136. The cubic root of 457052724 is about 770.2920823658.

The spelling of 457052724 in words is "four hundred fifty-seven million, fifty-two thousand, seven hundred twenty-four".