80746620 has 24 divisors (see below), whose sum is σ = 226090704. Its totient is φ = 21532416.

The previous prime is 80746609. The next prime is 80746649. The reversal of 80746620 is 2664708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672829 + ... + 672948.

It is an arithmetic number, because the mean of its divisors is an integer number (9420446).

Almost surely, 2^80746620 is an apocalyptic number.

It is an amenable number.

80746620 is an abundant number, since it is smaller than the sum of its proper divisors (145344084).

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

80746620 is a wasteful number, since it uses less digits than its factorization.

80746620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345789 (or 1345787 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 80746620 is about 8985.9123076068. The cubic root of 80746620 is about 432.2232428120.

The spelling of 80746620 in words is "eighty million, seven hundred forty-six thousand, six hundred twenty".