7999672 has 8 divisors (see below), whose sum is σ = 14999400. Its totient is φ = 3999832.

The previous prime is 7999669. The next prime is 7999681. The reversal of 7999672 is 2769997.

7999672 = 19⁴ + 20⁴ + ... + 33⁴.

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

It is an Ulam number.

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, 499972 + ... + 499987.

It is an arithmetic number, because the mean of its divisors is an integer number (1874925).

Almost surely, 2^7999672 is an apocalyptic number.

It is an amenable number.

7999672 is a deficient number, since it is larger than the sum of its proper divisors (6999728).

7999672 is a wasteful number, since it uses less digits than its factorization.

7999672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999965 (or 999961 counting only the distinct ones).

The product of its digits is 428652, while the sum is 49.

The square root of 7999672 is about 2828.3691413958. The cubic root of 7999672 is about 199.9972666293.

The spelling of 7999672 in words is "seven million, nine hundred ninety-nine thousand, six hundred seventy-two".