76285220 has 24 divisors (see below), whose sum is σ = 174763008. Its totient is φ = 27740000.

The previous prime is 76285189. The next prime is 76285267. The reversal of 76285220 is 2258267.

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, 173156 + ... + 173595.

It is an arithmetic number, because the mean of its divisors is an integer number (7281792).

Almost surely, 2^76285220 is an apocalyptic number.

It is an amenable number.

76285220 is an abundant number, since it is smaller than the sum of its proper divisors (98477788).

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

76285220 is a wasteful number, since it uses less digits than its factorization.

76285220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346771 (or 346769 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 76285220 is about 8734.1410567955. The cubic root of 76285220 is about 424.1115836023. Note that the first 3 decimals are identical.

The spelling of 76285220 in words is "seventy-six million, two hundred eighty-five thousand, two hundred twenty".