634131072 has 64 divisors (see below), whose sum is σ = 1871577600. Its totient is φ = 211375872.

The previous prime is 634131067. The next prime is 634131077. The reversal of 634131072 is 270131436.

634131072 is a `hidden beast` number, since 6 + 341 + 310 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (634131067) and next prime (634131077).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (634131077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88288 + ... + 95199.

It is an arithmetic number, because the mean of its divisors is an integer number (29243400).

Almost surely, 2^634131072 is an apocalyptic number.

It is an amenable number.

634131072 is an abundant number, since it is smaller than the sum of its proper divisors (1237446528).

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

634131072 is a wasteful number, since it uses less digits than its factorization.

634131072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183510 (or 183492 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 634131072 is about 25181.9592565789. The cubic root of 634131072 is about 859.1315697194.

The spelling of 634131072 in words is "six hundred thirty-four million, one hundred thirty-one thousand, seventy-two".