764725146 has 8 divisors (see below), whose sum is σ = 1529450304. Its totient is φ = 254908380.

The previous prime is 764725133. The next prime is 764725211. The reversal of 764725146 is 641527467.

It is a sphenic number, since it is the product of 3 distinct primes.

764725146 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 764725098 and 764725107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63727090 + ... + 63727101.

It is an arithmetic number, because the mean of its divisors is an integer number (191181288).

Almost surely, 2^764725146 is an apocalyptic number.

764725146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764725146 is a wasteful number, since it uses less digits than its factorization.

764725146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127454196.

The product of its digits is 282240, while the sum is 42.

The square root of 764725146 is about 27653.6642418324. The cubic root of 764725146 is about 914.4678825512.

It can be divided in two parts, 76472 and 5146, that added together give a palindrome (81618).

The spelling of 764725146 in words is "seven hundred sixty-four million, seven hundred twenty-five thousand, one hundred forty-six".