80342912 has 64 divisors (see below), whose sum is σ = 175815360. Its totient is φ = 36341760.

The previous prime is 80342909. The next prime is 80342971. The reversal of 80342912 is 21924308.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87737 + ... + 88647.

It is an arithmetic number, because the mean of its divisors is an integer number (2747115).

Almost surely, 2^80342912 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 80342912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87907680).

80342912 is an abundant number, since it is smaller than the sum of its proper divisors (95472448).

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

80342912 is a wasteful number, since it uses less digits than its factorization.

80342912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 80342912 is about 8963.4207755745. The cubic root of 80342912 is about 431.5017117096.

The spelling of 80342912 in words is "eighty million, three hundred forty-two thousand, nine hundred twelve".