6725639532 has 24 divisors (see below), whose sum is σ = 16519115200. Its totient is φ = 2123886096.

The previous prime is 6725639497. The next prime is 6725639533. The reversal of 6725639532 is 2359365276.

It is a super-2 number, since 2×6725639532² = 90468454228802358048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6725639533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14748982 + ... + 14749437.

Almost surely, 2^6725639532 is an apocalyptic number.

It is an amenable number.

6725639532 is an abundant number, since it is smaller than the sum of its proper divisors (9793475668).

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

6725639532 is a wasteful number, since it uses less digits than its factorization.

6725639532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29498445 (or 29498443 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 48.

The square root of 6725639532 is about 82009.9965370076. The cubic root of 6725639532 is about 1887.6053331390.

The spelling of 6725639532 in words is "six billion, seven hundred twenty-five million, six hundred thirty-nine thousand, five hundred thirty-two".