76216290 has 32 divisors (see below), whose sum is σ = 188822016. Its totient is φ = 19668480.

The previous prime is 76216249. The next prime is 76216291. The reversal of 76216290 is 9261267.

It is a super-2 number, since 2×76216290² = 11617845722728200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (76216291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40047 + ... + 41906.

It is an arithmetic number, because the mean of its divisors is an integer number (5900688).

Almost surely, 2^76216290 is an apocalyptic number.

76216290 is an abundant number, since it is smaller than the sum of its proper divisors (112605726).

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

76216290 is a wasteful number, since it uses less digits than its factorization.

76216290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81994.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 76216290 is about 8730.1941559166. The cubic root of 76216290 is about 423.9838051545.

The spelling of 76216290 in words is "seventy-six million, two hundred sixteen thousand, two hundred ninety".