80834072 has 32 divisors (see below), whose sum is σ = 167216400. Its totient is φ = 36326400.

The previous prime is 80834041. The next prime is 80834123. The reversal of 80834072 is 27043808.

It is a super-2 number, since 2×80834072² = 13068294392202368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 2672 + ... + 12992.

Almost surely, 2^80834072 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 80834072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83608200).

80834072 is an abundant number, since it is smaller than the sum of its proper divisors (86382328).

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

80834072 is a wasteful number, since it uses less digits than its factorization.

80834072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10427 (or 10423 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 80834072 is about 8990.7770520684. Note that the first 3 decimals coincide. The cubic root of 80834072 is about 432.3792251898.

The spelling of 80834072 in words is "eighty million, eight hundred thirty-four thousand, seventy-two".