80705612 has 36 divisors (see below), whose sum is σ = 153842976. Its totient is φ = 37028160.

The previous prime is 80705609. The next prime is 80705683. The reversal of 80705612 is 21650708.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187037 + ... + 187467.

It is an arithmetic number, because the mean of its divisors is an integer number (4273416).

Almost surely, 2^80705612 is an apocalyptic number.

It is an amenable number.

80705612 is a deficient number, since it is larger than the sum of its proper divisors (73137364).

80705612 is a wasteful number, since it uses less digits than its factorization.

80705612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 723 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 80705612 is about 8983.6302239128. The cubic root of 80705612 is about 432.1500607514.

The spelling of 80705612 in words is "eighty million, seven hundred five thousand, six hundred twelve".