80740828 has 36 divisors (see below), whose sum is σ = 164981712. Its totient is φ = 34574400.

The previous prime is 80740817. The next prime is 80740831. The reversal of 80740828 is 82804708.

It is a super-2 number, since 2×80740828² = 13038162612251168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66628 + ... + 67828.

Almost surely, 2^80740828 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 80740828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82490856).

80740828 is an abundant number, since it is smaller than the sum of its proper divisors (84240884).

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

80740828 is an equidigital number, since it uses as much as digits as its factorization.

80740828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 80740828 is about 8985.5900195814. The cubic root of 80740828 is about 432.2129080270.

The spelling of 80740828 in words is "eighty million, seven hundred forty thousand, eight hundred twenty-eight".