634274720 has 96 divisors (see below), whose sum is σ = 1620259200. Its totient is φ = 233819136.

The previous prime is 634274717. The next prime is 634274731. The reversal of 634274720 is 27472436.

It is an unprimeable number.

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, 109661 + ... + 115299.

It is an arithmetic number, because the mean of its divisors is an integer number (16877700).

Almost surely, 2^634274720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634274720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810129600).

634274720 is an abundant number, since it is smaller than the sum of its proper divisors (985984480).

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

634274720 is a wasteful number, since it uses less digits than its factorization.

634274720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710 (or 5702 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 634274720 is about 25184.8112956996. The cubic root of 634274720 is about 859.1964370734.

The spelling of 634274720 in words is "six hundred thirty-four million, two hundred seventy-four thousand, seven hundred twenty".