80472744 has 96 divisors (see below), whose sum is σ = 245784000. Its totient is φ = 24377760.

The previous prime is 80472739. The next prime is 80472761. The reversal of 80472744 is 44727408.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80472699 and 80472708.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24597 + ... + 27675.

It is an arithmetic number, because the mean of its divisors is an integer number (2560250).

Almost surely, 2^80472744 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 80472744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122892000).

80472744 is an abundant number, since it is smaller than the sum of its proper divisors (165311256).

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

80472744 is a wasteful number, since it uses less digits than its factorization.

80472744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116 (or 3095 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 80472744 is about 8970.6601763750. The cubic root of 80472744 is about 431.7340183680.

The spelling of 80472744 in words is "eighty million, four hundred seventy-two thousand, seven hundred forty-four".