764077122 has 12 divisors (see below), whose sum is σ = 1655500470. Its totient is φ = 254692368.

The previous prime is 764077103. The next prime is 764077129. The reversal of 764077122 is 221770467.

It is a happy number.

764077122 is a `hidden beast` number, since 7 + 640 + 7 + 7 + 1 + 2 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 461003841 + 303073281 = 21471^2 + 17409^2 .

It is not an unprimeable number, because it can be changed into a prime (764077129) 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 5 ways as a sum of consecutive naturals, for example, 21224347 + ... + 21224382.

Almost surely, 2^764077122 is an apocalyptic number.

764077122 is an abundant number, since it is smaller than the sum of its proper divisors (891423348).

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

764077122 is a wasteful number, since it uses less digits than its factorization.

764077122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42448737 (or 42448734 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 764077122 is about 27641.9449749832. The cubic root of 764077122 is about 914.2095044899.

The spelling of 764077122 in words is "seven hundred sixty-four million, seventy-seven thousand, one hundred twenty-two".