764131401 has 40 divisors (see below), whose sum is σ = 1249928064. Its totient is φ = 461371680.

The previous prime is 764131399. The next prime is 764131421. The reversal of 764131401 is 104131467.

It is a happy number.

764131401 is a `hidden beast` number, since 7 + 641 + 3 + 14 + 0 + 1 = 666.

764131401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 764131401 - 2¹ = 764131399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (764131421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 259600 + ... + 262526.

Almost surely, 2^764131401 is an apocalyptic number.

It is an amenable number.

764131401 is a deficient number, since it is larger than the sum of its proper divisors (485796663).

764131401 is a wasteful number, since it uses less digits than its factorization.

764131401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243 (or 3234 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 764131401 is about 27642.9267806432. The cubic root of 764131401 is about 914.2311520441.

Adding to 764131401 its reverse (104131467), we get a palindrome (868262868).

The spelling of 764131401 in words is "seven hundred sixty-four million, one hundred thirty-one thousand, four hundred one".