764120401 has 4 divisors (see below), whose sum is σ = 833585904. Its totient is φ = 694654900.

The previous prime is 764120393. The next prime is 764120431. The reversal of 764120401 is 104021467.

764120401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 764120401 - 2³ = 764120393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764120431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34732735 + ... + 34732756.

It is an arithmetic number, because the mean of its divisors is an integer number (208396476).

Almost surely, 2^764120401 is an apocalyptic number.

It is an amenable number.

764120401 is a deficient number, since it is larger than the sum of its proper divisors (69465503).

764120401 is a wasteful number, since it uses less digits than its factorization.

764120401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69465502.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 764120401 is about 27642.7278140201. The cubic root of 764120401 is about 914.2267651062.

Adding to 764120401 its reverse (104021467), we get a palindrome (868141868).

The spelling of 764120401 in words is "seven hundred sixty-four million, one hundred twenty thousand, four hundred one".