457236740 has 12 divisors (see below), whose sum is σ = 960197196. Its totient is φ = 182894688.

The previous prime is 457236721. The next prime is 457236749. The reversal of 457236740 is 47632754.

It can be written as a sum of positive squares in 2 ways, for example, as 196672576 + 260564164 = 14024^2 + 16142^2 .

It is a junction number, because it is equal to n+sod(n) for n = 457236694 and 457236703.

It is not an unprimeable number, because it can be changed into a prime (457236749) 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, 11430899 + ... + 11430938.

It is an arithmetic number, because the mean of its divisors is an integer number (80016433).

Almost surely, 2^457236740 is an apocalyptic number.

It is an amenable number.

457236740 is an abundant number, since it is smaller than the sum of its proper divisors (502960456).

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

457236740 is a wasteful number, since it uses less digits than its factorization.

457236740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22861846 (or 22861844 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 457236740 is about 21383.0947245716. The cubic root of 457236740 is about 770.3954453855.

The spelling of 457236740 in words is "four hundred fifty-seven million, two hundred thirty-six thousand, seven hundred forty".