7913976 has 96 divisors (see below), whose sum is σ = 24167040. Its totient is φ = 2115072.

The previous prime is 7913953. The next prime is 7913981. The reversal of 7913976 is 6793197.

It is a super-2 number, since 2×7913976² = 125262032257152, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

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

It is an Ulam number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48471 + ... + 48633.

It is an arithmetic number, because the mean of its divisors is an integer number (251740).

Almost surely, 2^7913976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7913976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12083520).

7913976 is an abundant number, since it is smaller than the sum of its proper divisors (16253064).

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

7913976 is a wasteful number, since it uses less digits than its factorization.

7913976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 192 counting only the distinct ones).

The product of its digits is 71442, while the sum is 42.

The square root of 7913976 is about 2813.1789847075. The cubic root of 7913976 is about 199.2805483835.

The spelling of 7913976 in words is "seven million, nine hundred thirteen thousand, nine hundred seventy-six".