76672981 has 12 divisors (see below), whose sum is σ = 96317536. Its totient is φ = 59744520.

The previous prime is 76672979. The next prime is 76672987. The reversal of 76672981 is 18927667.

It is a happy number.

It is not a de Polignac number, because 76672981 - 2¹ = 76672979 is a prime.

It is a super-2 number, since 2×76672981² = 11757492030852722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76672987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44415 + ... + 46108.

Almost surely, 2^76672981 is an apocalyptic number.

It is an amenable number.

76672981 is a deficient number, since it is larger than the sum of its proper divisors (19644555).

76672981 is a wasteful number, since it uses less digits than its factorization.

76672981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90552 (or 90541 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 76672981 is about 8756.3109241278. The cubic root of 76672981 is about 424.8289618567.

It can be divided in two parts, 7667 and 2981, that added together give a cube (10648 = 22³).

The spelling of 76672981 in words is "seventy-six million, six hundred seventy-two thousand, nine hundred eighty-one".