634708694 has 8 divisors (see below), whose sum is σ = 982774848. Its totient is φ = 307117080.

The previous prime is 634708691. The next prime is 634708729. The reversal of 634708694 is 496807436.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634708691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5118557 + ... + 5118680.

It is an arithmetic number, because the mean of its divisors is an integer number (122846856).

Almost surely, 2^634708694 is an apocalyptic number.

634708694 is a deficient number, since it is larger than the sum of its proper divisors (348066154).

634708694 is a wasteful number, since it uses less digits than its factorization.

634708694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237270.

The product of its (nonzero) digits is 870912, while the sum is 47.

The square root of 634708694 is about 25193.4256106628. The cubic root of 634708694 is about 859.3923479279.

The spelling of 634708694 in words is "six hundred thirty-four million, seven hundred eight thousand, six hundred ninety-four".