572729780 has 48 divisors (see below), whose sum is σ = 1403813376. Its totient is φ = 192184320.

The previous prime is 572729777. The next prime is 572729789. The reversal of 572729780 is 87927275.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572729789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36941 + ... + 50100.

It is an arithmetic number, because the mean of its divisors is an integer number (29246112).

Almost surely, 2^572729780 is an apocalyptic number.

It is an amenable number.

572729780 is an abundant number, since it is smaller than the sum of its proper divisors (831083596).

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

572729780 is a wasteful number, since it uses less digits than its factorization.

572729780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87104 (or 87102 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 572729780 is about 23931.7734403450. The cubic root of 572729780 is about 830.4559260234.

The spelling of 572729780 in words is "five hundred seventy-two million, seven hundred twenty-nine thousand, seven hundred eighty".