80733620072 has 32 divisors (see below), whose sum is σ = 173472049920. Its totient is φ = 34505835840.

The previous prime is 80733620069. The next prime is 80733620083. The reversal of 80733620072 is 27002633708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1943579 + ... + 1984682.

It is an arithmetic number, because the mean of its divisors is an integer number (5421001560).

Almost surely, 2^80733620072 is an apocalyptic number.

It is an amenable number.

80733620072 is an abundant number, since it is smaller than the sum of its proper divisors (92738429848).

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

80733620072 is a wasteful number, since it uses less digits than its factorization.

80733620072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928641 (or 3928637 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 80733620072 in words is "eighty billion, seven hundred thirty-three million, six hundred twenty thousand, seventy-two".