80604720 has 200 divisors, whose sum is σ = 320125344. Its totient is φ = 18413568.

The previous prime is 80604697. The next prime is 80604739. The reversal of 80604720 is 2740608.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 44472 + ... + 46248.

Almost surely, 2^80604720 is an apocalyptic number.

80604720 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80604720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160062672).

80604720 is an abundant number, since it is smaller than the sum of its proper divisors (239520624).

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

80604720 is a wasteful number, since it uses less digits than its factorization.

80604720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 80604720 is about 8978.0131432294. The cubic root of 80604720 is about 431.9699053110.

The spelling of 80604720 in words is "eighty million, six hundred four thousand, seven hundred twenty".