7913730 has 32 divisors (see below), whose sum is σ = 20720448. Its totient is φ = 1918400.

The previous prime is 7913701. The next prime is 7913749. The reversal of 7913730 is 373197.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11661 + ... + 12320.

It is an arithmetic number, because the mean of its divisors is an integer number (647514).

Almost surely, 2^7913730 is an apocalyptic number.

7913730 is an abundant number, since it is smaller than the sum of its proper divisors (12806718).

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

7913730 is a wasteful number, since it uses less digits than its factorization.

7913730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24002.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 7913730 is about 2813.1352615898. The cubic root of 7913730 is about 199.2784835334.

The spelling of 7913730 in words is "seven million, nine hundred thirteen thousand, seven hundred thirty".