80969732 has 6 divisors (see below), whose sum is σ = 141697038. Its totient is φ = 40484864.

The previous prime is 80969719. The next prime is 80969741. The reversal of 80969732 is 23796908.

It can be written as a sum of positive squares in only one way, i.e., 71334916 + 9634816 = 8446^2 + 3104^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121213 + ... + 10121220.

It is an arithmetic number, because the mean of its divisors is an integer number (23616173).

Almost surely, 2^80969732 is an apocalyptic number.

It is an amenable number.

80969732 is a deficient number, since it is larger than the sum of its proper divisors (60727306).

80969732 is a wasteful number, since it uses less digits than its factorization.

80969732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20242437 (or 20242435 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 80969732 is about 8998.3182873246. The cubic root of 80969732 is about 432.6209705383.

The spelling of 80969732 in words is "eighty million, nine hundred sixty-nine thousand, seven hundred thirty-two".