76217280 has 56 divisors (see below), whose sum is σ = 241992912. Its totient is φ = 20324352.

The previous prime is 76217263. The next prime is 76217287. The reversal of 76217280 is 8271267.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76217287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38737 + ... + 40656.

It is an arithmetic number, because the mean of its divisors is an integer number (4321302).

Almost surely, 2^76217280 is an apocalyptic number.

It is an amenable number.

76217280 is an abundant number, since it is smaller than the sum of its proper divisors (165775632).

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

76217280 is a wasteful number, since it uses less digits than its factorization.

76217280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79413 (or 79403 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 76217280 is about 8730.2508555024. The cubic root of 76217280 is about 423.9856409045.

The spelling of 76217280 in words is "seventy-six million, two hundred seventeen thousand, two hundred eighty".