80973668 has 24 divisors (see below), whose sum is σ = 152342400. Its totient is φ = 37538208.

The previous prime is 80973661. The next prime is 80973671. The reversal of 80973668 is 86637908.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (80973661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7763 + ... + 14906.

It is an arithmetic number, because the mean of its divisors is an integer number (6347600).

Almost surely, 2^80973668 is an apocalyptic number.

It is an amenable number.

80973668 is a deficient number, since it is larger than the sum of its proper divisors (71368732).

80973668 is a wasteful number, since it uses less digits than its factorization.

80973668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22739 (or 22737 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 80973668 is about 8998.5369922005. The cubic root of 80973668 is about 432.6279804358.

The spelling of 80973668 in words is "eighty million, nine hundred seventy-three thousand, six hundred sixty-eight".