764120417 has 4 divisors (see below), whose sum is σ = 764392596. Its totient is φ = 763848240.

The previous prime is 764120393. The next prime is 764120431. The reversal of 764120417 is 714021467.

764120417 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.

It can be written as a sum of positive squares in 2 ways, for example, as 203804176 + 560316241 = 14276^2 + 23671^2 .

It is a cyclic number.

It is not a de Polignac number, because 764120417 - 2⁶ = 764120353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764120117) 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, 131834 + ... + 137507.

It is an arithmetic number, because the mean of its divisors is an integer number (191098149).

Almost surely, 2^764120417 is an apocalyptic number.

It is an amenable number.

764120417 is a deficient number, since it is larger than the sum of its proper divisors (272179).

764120417 is a wasteful number, since it uses less digits than its factorization.

764120417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272178.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 764120417 is about 27642.7281034271. The cubic root of 764120417 is about 914.2267714873.

The spelling of 764120417 in words is "seven hundred sixty-four million, one hundred twenty thousand, four hundred seventeen".