76231290 has 16 divisors (see below), whose sum is σ = 182955168. Its totient is φ = 20328336.

The previous prime is 76231283. The next prime is 76231297. The reversal of 76231290 is 9213267.

It is an interprime number because it is at equal distance from previous prime (76231283) and next prime (76231297).

It is a super-2 number, since 2×76231290² = 11622419150128200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2541043 = 76231290 / (7 + 6 + 2 + 3 + 1 + 2 + 9 + 0).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (76231297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270492 + ... + 1270551.

It is an arithmetic number, because the mean of its divisors is an integer number (11434698).

Almost surely, 2^76231290 is an apocalyptic number.

76231290 is an abundant number, since it is smaller than the sum of its proper divisors (106723878).

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

76231290 is a wasteful number, since it uses less digits than its factorization.

76231290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541053.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 76231290 is about 8731.0532010749. The cubic root of 76231290 is about 424.0116178435.

The spelling of 76231290 in words is "seventy-six million, two hundred thirty-one thousand, two hundred ninety".