80621424 has 60 divisors (see below), whose sum is σ = 242989656. Its totient is φ = 24806016.

The previous prime is 80621393. The next prime is 80621441. The reversal of 80621424 is 42412608.

It is a zygodrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19662 + ... + 23405.

Almost surely, 2^80621424 is an apocalyptic number.

It is an amenable number.

80621424 is an abundant number, since it is smaller than the sum of its proper divisors (162368232).

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

80621424 is a wasteful number, since it uses less digits than its factorization.

80621424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43094 (or 43085 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 80621424 is about 8978.9433676797. The cubic root of 80621424 is about 431.9997427982. Note that the first 3 decimals are identical.

The spelling of 80621424 in words is "eighty million, six hundred twenty-one thousand, four hundred twenty-four".