80804724 has 216 divisors, whose sum is σ = 266251104. Its totient is φ = 18748800.

The previous prime is 80804683. The next prime is 80804743. The reversal of 80804724 is 42740808.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2606589 + ... + 2606619.

It is an arithmetic number, because the mean of its divisors is an integer number (1232644).

Almost surely, 2^80804724 is an apocalyptic number.

80804724 is a gapful number since it is divisible by the number (84) 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 80804724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133125552).

80804724 is an abundant number, since it is smaller than the sum of its proper divisors (185446380).

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

80804724 is a wasteful number, since it uses less digits than its factorization.

80804724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 80804724 is about 8989.1447869083. The cubic root of 80804724 is about 432.3268916411.

The spelling of 80804724 in words is "eighty million, eight hundred four thousand, seven hundred twenty-four".