457643725 has 24 divisors (see below), whose sum is σ = 707508288. Its totient is φ = 285283200.

The previous prime is 457643677. The next prime is 457643737. The reversal of 457643725 is 527346754.

It is not a de Polignac number, because 457643725 - 2¹¹ = 457641677 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian 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, 116944 + ... + 120793.

It is an arithmetic number, because the mean of its divisors is an integer number (29479512).

Almost surely, 2^457643725 is an apocalyptic number.

It is an amenable number.

457643725 is a deficient number, since it is larger than the sum of its proper divisors (249864563).

457643725 is a wasteful number, since it uses less digits than its factorization.

457643725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237765 (or 237760 counting only the distinct ones).

The product of its digits is 705600, while the sum is 43.

The square root of 457643725 is about 21392.6091209090. The cubic root of 457643725 is about 770.6239531307.

The spelling of 457643725 in words is "four hundred fifty-seven million, six hundred forty-three thousand, seven hundred twenty-five".