80749416 has 64 divisors (see below), whose sum is σ = 221253120. Its totient is φ = 24355520.

The previous prime is 80749397. The next prime is 80749423. The reversal of 80749416 is 61494708.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68851 + ... + 70013.

It is an arithmetic number, because the mean of its divisors is an integer number (3457080).

Almost surely, 2^80749416 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 80749416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110626560).

80749416 is an abundant number, since it is smaller than the sum of its proper divisors (140503704).

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

80749416 is a wasteful number, since it uses less digits than its factorization.

80749416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446 (or 1442 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 80749416 is about 8986.0678831177. The cubic root of 80749416 is about 432.2282315956.

The spelling of 80749416 in words is "eighty million, seven hundred forty-nine thousand, four hundred sixteen".