457979772 has 24 divisors (see below), whose sum is σ = 1115081856. Its totient is φ = 146022448.

The previous prime is 457979761. The next prime is 457979791. The reversal of 457979772 is 277979754.

It is a super-2 number, since 2×457979772² = 419490943122343968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829398 + ... + 829949.

It is an arithmetic number, because the mean of its divisors is an integer number (46461744).

Almost surely, 2^457979772 is an apocalyptic number.

It is an amenable number.

457979772 is an abundant number, since it is smaller than the sum of its proper divisors (657102084).

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

457979772 is a wasteful number, since it uses less digits than its factorization.

457979772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659377 (or 1659375 counting only the distinct ones).

The product of its digits is 7779240, while the sum is 57.

The square root of 457979772 is about 21400.4619576307. The cubic root of 457979772 is about 770.8125295955.

The spelling of 457979772 in words is "four hundred fifty-seven million, nine hundred seventy-nine thousand, seven hundred seventy-two".