457922407 has 4 divisors (see below), whose sum is σ = 462123640. Its totient is φ = 453721176.

The previous prime is 457922389. The next prime is 457922431. The reversal of 457922407 is 704229754.

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

It is a cyclic number.

It is not a de Polignac number, because 457922407 - 2²⁷ = 323704679 is a prime.

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 457922407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457922467) 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, 2100453 + ... + 2100670.

It is an arithmetic number, because the mean of its divisors is an integer number (115530910).

Almost surely, 2^457922407 is an apocalyptic number.

457922407 is a deficient number, since it is larger than the sum of its proper divisors (4201233).

457922407 is a wasteful number, since it uses less digits than its factorization.

457922407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201232.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 457922407 is about 21399.1216408525. The cubic root of 457922407 is about 770.7803451267.

It can be divided in two parts, 457922 and 407, that added together give a square (458329 = 677²).

The spelling of 457922407 in words is "four hundred fifty-seven million, nine hundred twenty-two thousand, four hundred seven".