76826280 has 32 divisors (see below), whose sum is σ = 230479200. Its totient is φ = 20486976.

The previous prime is 76826261. The next prime is 76826297. The reversal of 76826280 is 8262867.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319990 + ... + 320229.

It is an arithmetic number, because the mean of its divisors is an integer number (7202475).

Almost surely, 2^76826280 is an apocalyptic number.

It is an amenable number.

76826280 is an abundant number, since it is smaller than the sum of its proper divisors (153652920).

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

76826280 is a wasteful number, since it uses less digits than its factorization.

76826280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640233 (or 640229 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 76826280 is about 8765.0601823376. The cubic root of 76826280 is about 425.1119059411. Note that the first 3 decimals are identical.

The spelling of 76826280 in words is "seventy-six million, eight hundred twenty-six thousand, two hundred eighty".