76981922 has 8 divisors (see below), whose sum is σ = 115589916. Its totient is φ = 38451952.

The previous prime is 76981913. The next prime is 76981937. The reversal of 76981922 is 22918967.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76545001 + 436921 = 8749^2 + 661^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16973 + ... + 21024.

Almost surely, 2^76981922 is an apocalyptic number.

76981922 is a deficient number, since it is larger than the sum of its proper divisors (38607994).

76981922 is a wasteful number, since it uses less digits than its factorization.

76981922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39012.

The product of its digits is 108864, while the sum is 44.

The square root of 76981922 is about 8773.9342372735. The cubic root of 76981922 is about 425.3987897010.

The spelling of 76981922 in words is "seventy-six million, nine hundred eighty-one thousand, nine hundred twenty-two".