764530193 has 16 divisors (see below), whose sum is σ = 893356800. Its totient is φ = 654006528.

The previous prime is 764530177. The next prime is 764530231. The reversal of 764530193 is 391035467.

It is a happy number.

It is not a de Polignac number, because 764530193 - 2⁴ = 764530177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (764530093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195980 + ... + 199842.

It is an arithmetic number, because the mean of its divisors is an integer number (55834800).

Almost surely, 2^764530193 is an apocalyptic number.

It is an amenable number.

764530193 is a deficient number, since it is larger than the sum of its proper divisors (128826607).

764530193 is an equidigital number, since it uses as much as digits as its factorization.

764530193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461 (or 4447 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 764530193 is about 27650.1391135741. The cubic root of 764530193 is about 914.3901668691.

The spelling of 764530193 in words is "seven hundred sixty-four million, five hundred thirty thousand, one hundred ninety-three".