572730461 has 4 divisors (see below), whose sum is σ = 579630912. Its totient is φ = 565830012.

The previous prime is 572730439. The next prime is 572730497. The reversal of 572730461 is 164037275.

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 a de Polignac number, because none of the positive numbers 2^k-572730461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572720461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3450101 + ... + 3450266.

It is an arithmetic number, because the mean of its divisors is an integer number (144907728).

Almost surely, 2^572730461 is an apocalyptic number.

It is an amenable number.

572730461 is a deficient number, since it is larger than the sum of its proper divisors (6900451).

572730461 is an equidigital number, since it uses as much as digits as its factorization.

572730461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900450.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 572730461 is about 23931.7876682875. The cubic root of 572730461 is about 830.4562551724.

The spelling of 572730461 in words is "five hundred seventy-two million, seven hundred thirty thousand, four hundred sixty-one".