764114621 has 12 divisors (see below), whose sum is σ = 821684412. Its totient is φ = 710221824.

The previous prime is 764114587. The next prime is 764114633. The reversal of 764114621 is 126411467.

It can be written as a sum of positive squares in 2 ways, for example, as 604471396 + 159643225 = 24586^2 + 12635^2 .

It is not a de Polignac number, because 764114621 - 2⁶ = 764114557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764114321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836 + ... + 39101.

It is an arithmetic number, because the mean of its divisors is an integer number (68473701).

Almost surely, 2^764114621 is an apocalyptic number.

It is an amenable number.

764114621 is a deficient number, since it is larger than the sum of its proper divisors (57569791).

764114621 is a wasteful number, since it uses less digits than its factorization.

764114621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40028 (or 40009 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 764114621 is about 27642.6232655296. The cubic root of 764114621 is about 914.2244599529.

The spelling of 764114621 in words is "seven hundred sixty-four million, one hundred fourteen thousand, six hundred twenty-one".