76381266 has 32 divisors (see below), whose sum is σ = 164848320. Its totient is φ = 23454144.

The previous prime is 76381259. The next prime is 76381267. The reversal of 76381266 is 66218367.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (76381267) 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 15 ways as a sum of consecutive naturals, for example, 68320 + ... + 69428.

It is an arithmetic number, because the mean of its divisors is an integer number (5151510).

Almost surely, 2^76381266 is an apocalyptic number.

76381266 is an abundant number, since it is smaller than the sum of its proper divisors (88467054).

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

76381266 is a wasteful number, since it uses less digits than its factorization.

76381266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010.

The product of its digits is 72576, while the sum is 39.

The square root of 76381266 is about 8739.6376355087. The cubic root of 76381266 is about 424.2894998391.

The spelling of 76381266 in words is "seventy-six million, three hundred eighty-one thousand, two hundred sixty-six".