76227990 has 16 divisors (see below), whose sum is σ = 182947248. Its totient is φ = 20327456.

The previous prime is 76227989. The next prime is 76228007. The reversal of 76227990 is 9972267.

It is a congruent number.

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, 1270437 + ... + 1270496.

It is an arithmetic number, because the mean of its divisors is an integer number (11434203).

Almost surely, 2^76227990 is an apocalyptic number.

76227990 is an abundant number, since it is smaller than the sum of its proper divisors (106719258).

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

76227990 is a wasteful number, since it uses less digits than its factorization.

76227990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540943.

The product of its (nonzero) digits is 95256, while the sum is 42.

The square root of 76227990 is about 8730.8642183921. The cubic root of 76227990 is about 424.0054993650.

The spelling of 76227990 in words is "seventy-six million, two hundred twenty-seven thousand, nine hundred ninety".