76163280 has 160 divisors (see below), whose sum is σ = 252840960. Its totient is φ = 18923520.

The previous prime is 76163261. The next prime is 76163293. The reversal of 76163280 is 8236167.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215584 + ... + 215936.

It is an arithmetic number, because the mean of its divisors is an integer number (1580256).

Almost surely, 2^76163280 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 76163280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126420480).

76163280 is an abundant number, since it is smaller than the sum of its proper divisors (176677680).

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

76163280 is a wasteful number, since it uses less digits than its factorization.

76163280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 423 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 76163280 is about 8727.1576128772. The cubic root of 76163280 is about 423.8854858660.

The spelling of 76163280 in words is "seventy-six million, one hundred sixty-three thousand, two hundred eighty".