764461133 has 4 divisors (see below), whose sum is σ = 770480640. Its totient is φ = 758441628.

The previous prime is 764461129. The next prime is 764461177. The reversal of 764461133 is 331164467.

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 764461133 - 2² = 764461129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 764461093 and 764461102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764461193) 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, 3009563 + ... + 3009816.

It is an arithmetic number, because the mean of its divisors is an integer number (192620160).

Almost surely, 2^764461133 is an apocalyptic number.

It is an amenable number.

764461133 is a deficient number, since it is larger than the sum of its proper divisors (6019507).

764461133 is a wasteful number, since it uses less digits than its factorization.

764461133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6019506.

The product of its digits is 36288, while the sum is 35.

The square root of 764461133 is about 27648.8902670614. The cubic root of 764461133 is about 914.3626337571.

The spelling of 764461133 in words is "seven hundred sixty-four million, four hundred sixty-one thousand, one hundred thirty-three".