764770434 has 32 divisors (see below), whose sum is σ = 1584382464. Its totient is φ = 245840640.

The previous prime is 764770429. The next prime is 764770439. The reversal of 764770434 is 434077467.

It is an interprime number because it is at equal distance from previous prime (764770429) and next prime (764770439).

It is not an unprimeable number, because it can be changed into a prime (764770439) 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, 47482 + ... + 61514.

It is an arithmetic number, because the mean of its divisors is an integer number (49511952).

Almost surely, 2^764770434 is an apocalyptic number.

764770434 is an abundant number, since it is smaller than the sum of its proper divisors (819612030).

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

764770434 is a wasteful number, since it uses less digits than its factorization.

764770434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14362.

The product of its (nonzero) digits is 395136, while the sum is 42.

The square root of 764770434 is about 27654.4830723700. The cubic root of 764770434 is about 914.4859341802.

The spelling of 764770434 in words is "seven hundred sixty-four million, seven hundred seventy thousand, four hundred thirty-four".