76534280 has 32 divisors (see below), whose sum is σ = 181267200. Its totient is φ = 29002176.

The previous prime is 76534267. The next prime is 76534307. The reversal of 76534280 is 8243567.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 76534280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49592 + ... + 51111.

It is an arithmetic number, because the mean of its divisors is an integer number (5664600).

Almost surely, 2^76534280 is an apocalyptic number.

It is an amenable number.

76534280 is an abundant number, since it is smaller than the sum of its proper divisors (104732920).

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

76534280 is a wasteful number, since it uses less digits than its factorization.

76534280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100733 (or 100729 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 76534280 is about 8748.3872799505. The cubic root of 76534280 is about 424.5726361471.

The spelling of 76534280 in words is "seventy-six million, five hundred thirty-four thousand, two hundred eighty".