634174064 has 10 divisors (see below), whose sum is σ = 1228712280. Its totient is φ = 317087024.

The previous prime is 634174063. The next prime is 634174087. The reversal of 634174064 is 460471436.

634174064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634174063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19817924 + ... + 19817955.

It is an arithmetic number, because the mean of its divisors is an integer number (122871228).

Almost surely, 2^634174064 is an apocalyptic number.

It is an amenable number.

634174064 is a deficient number, since it is larger than the sum of its proper divisors (594538216).

634174064 is a wasteful number, since it uses less digits than its factorization.

634174064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39635887 (or 39635881 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 634174064 is about 25182.8128690978. The cubic root of 634174064 is about 859.1509847118.

The spelling of 634174064 in words is "six hundred thirty-four million, one hundred seventy-four thousand, sixty-four".