7915992 has 32 divisors (see below), whose sum is σ = 22617600. Its totient is φ = 2261664.

The previous prime is 7915987. The next prime is 7916011. The reversal of 7915992 is 2995197.

7915992 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23392 + ... + 23727.

It is an arithmetic number, because the mean of its divisors is an integer number (706800).

Almost surely, 2^7915992 is an apocalyptic number.

It is an amenable number.

7915992 is an abundant number, since it is smaller than the sum of its proper divisors (14701608).

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

7915992 is a wasteful number, since it uses less digits than its factorization.

7915992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47135 (or 47131 counting only the distinct ones).

The product of its digits is 51030, while the sum is 42.

The square root of 7915992 is about 2813.5372753884. The cubic root of 7915992 is about 199.2974684700.

The spelling of 7915992 in words is "seven million, nine hundred fifteen thousand, nine hundred ninety-two".