2572667538 has 32 divisors (see below), whose sum is σ = 5887624320. Its totient is φ = 734142720.

The previous prime is 2572667527. The next prime is 2572667543. The reversal of 2572667538 is 8357662752.

It is a happy number.

2572667538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2572667538² = 13237236522157962888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823 + ... + 71786.

It is an arithmetic number, because the mean of its divisors is an integer number (183988260).

Almost surely, 2^2572667538 is an apocalyptic number.

2572667538 is an abundant number, since it is smaller than the sum of its proper divisors (3314956782).

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

2572667538 is a wasteful number, since it uses less digits than its factorization.

2572667538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75442.

The product of its digits is 4233600, while the sum is 51.

The square root of 2572667538 is about 50721.4701876828. The cubic root of 2572667538 is about 1370.2334193006.

The spelling of 2572667538 in words is "two billion, five hundred seventy-two million, six hundred sixty-seven thousand, five hundred thirty-eight".