572478457 has 4 divisors (see below), whose sum is σ = 590945536. Its totient is φ = 554011380.

The previous prime is 572478421. The next prime is 572478469. The reversal of 572478457 is 754874275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 572478457 - 2⁷ = 572478329 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 572478457.

It is not an unprimeable number, because it can be changed into a prime (572478407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9233493 + ... + 9233554.

It is an arithmetic number, because the mean of its divisors is an integer number (147736384).

Almost surely, 2^572478457 is an apocalyptic number.

It is an amenable number.

572478457 is a deficient number, since it is larger than the sum of its proper divisors (18467079).

572478457 is a wasteful number, since it uses less digits than its factorization.

572478457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18467078.

The product of its digits is 2195200, while the sum is 49.

The square root of 572478457 is about 23926.5220414502. The cubic root of 572478457 is about 830.3344357976.

The spelling of 572478457 in words is "five hundred seventy-two million, four hundred seventy-eight thousand, four hundred fifty-seven".