634722344 has 8 divisors (see below), whose sum is σ = 1190104410. Its totient is φ = 317361168.

The previous prime is 634722343. The next prime is 634722397. The reversal of 634722344 is 443227436.

It can be written as a sum of positive squares in only one way, i.e., 544662244 + 90060100 = 23338^2 + 9490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (634722343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39670139 + ... + 39670154.

Almost surely, 2^634722344 is an apocalyptic number.

It is an amenable number.

634722344 is a deficient number, since it is larger than the sum of its proper divisors (555382066).

634722344 is a wasteful number, since it uses less digits than its factorization.

634722344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79340299 (or 79340295 counting only the distinct ones).

The product of its digits is 96768, while the sum is 35.

The square root of 634722344 is about 25193.6965132154. The cubic root of 634722344 is about 859.3985085607.

The spelling of 634722344 in words is "six hundred thirty-four million, seven hundred twenty-two thousand, three hundred forty-four".