76921974 has 120 divisors (see below), whose sum is σ = 192570048. Its totient is φ = 22913280.

The previous prime is 76921961. The next prime is 76921987. The reversal of 76921974 is 47912967.

It is an interprime number because it is at equal distance from previous prime (76921961) and next prime (76921987).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1451332 + ... + 1451384.

Almost surely, 2^76921974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76921974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96285024).

76921974 is an abundant number, since it is smaller than the sum of its proper divisors (115648074).

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

76921974 is a wasteful number, since it uses less digits than its factorization.

76921974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 106 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 76921974 is about 8770.5173165555. The cubic root of 76921974 is about 425.2883376688.

The spelling of 76921974 in words is "seventy-six million, nine hundred twenty-one thousand, nine hundred seventy-four".