634070304 has 144 divisors (see below), whose sum is σ = 2068754688. Its totient is φ = 180458496.

The previous prime is 634070293. The next prime is 634070309. The reversal of 634070304 is 403070436.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (634070309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 739444 + ... + 740300.

It is an arithmetic number, because the mean of its divisors is an integer number (14366352).

Almost surely, 2^634070304 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 634070304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034377344).

634070304 is an abundant number, since it is smaller than the sum of its proper divisors (1434684384).

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

634070304 is a wasteful number, since it uses less digits than its factorization.

634070304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 634070304 is about 25180.7526495933. The cubic root of 634070304 is about 859.1041256692.

The spelling of 634070304 in words is "six hundred thirty-four million, seventy thousand, three hundred four".