7563139672 has 32 divisors (see below), whose sum is σ = 15732273600. Its totient is φ = 3379520800.

The previous prime is 7563139637. The next prime is 7563139679. The reversal of 7563139672 is 2769313657.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7563139679) 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, 723154 + ... + 733537.

It is an arithmetic number, because the mean of its divisors is an integer number (491633550).

Almost surely, 2^7563139672 is an apocalyptic number.

It is an amenable number.

7563139672 is an abundant number, since it is smaller than the sum of its proper divisors (8169133928).

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

7563139672 is a wasteful number, since it uses less digits than its factorization.

7563139672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456767 (or 1456763 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 49.

The square root of 7563139672 is about 86966.3134322710. The cubic root of 7563139672 is about 1962.9114436240.

The spelling of 7563139672 in words is "seven billion, five hundred sixty-three million, one hundred thirty-nine thousand, six hundred seventy-two".