80746512 has 120 divisors (see below), whose sum is σ = 264795552. Its totient is φ = 20966400.

The previous prime is 80746459. The next prime is 80746531. The reversal of 80746512 is 21564708.

It is a super-2 number, since 2×80746512² = 13039998400332288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24312 + ... + 27432.

Almost surely, 2^80746512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80746512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132397776).

80746512 is an abundant number, since it is smaller than the sum of its proper divisors (184049040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80746512 is a wasteful number, since it uses less digits than its factorization.

80746512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 80746512 is about 8985.9062981983. The cubic root of 80746512 is about 432.2230501099.

The spelling of 80746512 in words is "eighty million, seven hundred forty-six thousand, five hundred twelve".