457246731 has 4 divisors (see below), whose sum is σ = 609662312. Its totient is φ = 304831152.

The previous prime is 457246711. The next prime is 457246733. The reversal of 457246731 is 137642754.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 457246731 - 2¹⁰ = 457245707 is a prime.

It is a super-2 number, since 2×457246731² = 418149146020372722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457246731.

It is not an unprimeable number, because it can be changed into a prime (457246733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76207786 + ... + 76207791.

It is an arithmetic number, because the mean of its divisors is an integer number (152415578).

Almost surely, 2^457246731 is an apocalyptic number.

457246731 is a deficient number, since it is larger than the sum of its proper divisors (152415581).

457246731 is a wasteful number, since it uses less digits than its factorization.

457246731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152415580.

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

The square root of 457246731 is about 21383.3283424260. The cubic root of 457246731 is about 770.4010566033.

The spelling of 457246731 in words is "four hundred fifty-seven million, two hundred forty-six thousand, seven hundred thirty-one".