7639320912 has 20 divisors (see below), whose sum is σ = 19734912480. Its totient is φ = 2546440288.

The previous prime is 7639320893. The next prime is 7639320919. The reversal of 7639320912 is 2190239367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7639320919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79576212 + ... + 79576307.

It is an arithmetic number, because the mean of its divisors is an integer number (986745624).

Almost surely, 2^7639320912 is an apocalyptic number.

It is an amenable number.

7639320912 is an abundant number, since it is smaller than the sum of its proper divisors (12095591568).

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

7639320912 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 7639320912 = (3270219963)₁₁.

7639320912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159152530 (or 159152524 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 7639320912 is about 87403.2088198139. The cubic root of 7639320912 is about 1969.4800445215.

The spelling of 7639320912 in words is "seven billion, six hundred thirty-nine million, three hundred twenty thousand, nine hundred twelve".