572761478 has 4 divisors (see below), whose sum is σ = 859142220. Its totient is φ = 286380738.

The previous prime is 572761471. The next prime is 572761507. The reversal of 572761478 is 874167275.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572761471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143190368 + ... + 143190371.

It is an arithmetic number, because the mean of its divisors is an integer number (214785555).

Almost surely, 2^572761478 is an apocalyptic number.

572761478 is a deficient number, since it is larger than the sum of its proper divisors (286380742).

572761478 is a wasteful number, since it uses less digits than its factorization.

572761478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286380741.

The product of its digits is 658560, while the sum is 47.

The square root of 572761478 is about 23932.4356888303. The cubic root of 572761478 is about 830.4712463992.

The spelling of 572761478 in words is "five hundred seventy-two million, seven hundred sixty-one thousand, four hundred seventy-eight".