80752380 has 72 divisors (see below), whose sum is σ = 240241008. Its totient is φ = 20262912.

The previous prime is 80752367. The next prime is 80752417. The reversal of 80752380 is 8325708.

It is a congruent number.

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, 15012 + ... + 19668.

Almost surely, 2^80752380 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 80752380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120120504).

80752380 is an abundant number, since it is smaller than the sum of its proper divisors (159488628).

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

80752380 is a wasteful number, since it uses less digits than its factorization.

80752380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703 (or 4684 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 80752380 is about 8986.2328035724. The cubic root of 80752380 is about 432.2335200087.

The spelling of 80752380 in words is "eighty million, seven hundred fifty-two thousand, three hundred eighty".