763664534 has 32 divisors (see below), whose sum is σ = 1198924320. Its totient is φ = 364476672.

The previous prime is 763664533. The next prime is 763664591. The reversal of 763664534 is 435466367.

Its product of digits (1088640) is a multiple of the sum of its prime divisors (864).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (763664533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014757 + ... + 2015135.

It is an arithmetic number, because the mean of its divisors is an integer number (37466385).

Almost surely, 2^763664534 is an apocalyptic number.

763664534 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

763664534 is a deficient number, since it is larger than the sum of its proper divisors (435259786).

763664534 is a wasteful number, since it uses less digits than its factorization.

763664534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its digits is 1088640, while the sum is 44.

The square root of 763664534 is about 27634.4808889185. The cubic root of 763664534 is about 914.0449225942.

The spelling of 763664534 in words is "seven hundred sixty-three million, six hundred sixty-four thousand, five hundred thirty-four".