76386290 has 16 divisors (see below), whose sum is σ = 142237080. Its totient is φ = 29500800.

The previous prime is 76386283. The next prime is 76386293. The reversal of 76386290 is 9268367.

It can be written as a sum of positive squares in 4 ways, for example, as 69939769 + 6446521 = 8363^2 + 2539^2 .

It is not an unprimeable number, because it can be changed into a prime (76386293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131411 + ... + 131990.

Almost surely, 2^76386290 is an apocalyptic number.

76386290 is a deficient number, since it is larger than the sum of its proper divisors (65850790).

76386290 is a wasteful number, since it uses less digits than its factorization.

76386290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263437.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 76386290 is about 8739.9250568869. The cubic root of 76386290 is about 424.2988022236.

The spelling of 76386290 in words is "seventy-six million, three hundred eighty-six thousand, two hundred ninety".