7664039672 has 8 divisors (see below), whose sum is σ = 14370074400. Its totient is φ = 3832019832.

The previous prime is 7664039653. The next prime is 7664039701. The reversal of 7664039672 is 2769304667.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 7664039672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479002472 + ... + 479002487.

It is an arithmetic number, because the mean of its divisors is an integer number (1796259300).

Almost surely, 2^7664039672 is an apocalyptic number.

It is an amenable number.

7664039672 is a deficient number, since it is larger than the sum of its proper divisors (6706034728).

7664039672 is a wasteful number, since it uses less digits than its factorization.

7664039672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958004965 (or 958004961 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 50.

The square root of 7664039672 is about 87544.5010951573. The cubic root of 7664039672 is about 1971.6019909996.

The spelling of 7664039672 in words is "seven billion, six hundred sixty-four million, thirty-nine thousand, six hundred seventy-two".