634970874 has 16 divisors (see below), whose sum is σ = 1286017920. Its totient is φ = 208977600.

The previous prime is 634970873. The next prime is 634970879. The reversal of 634970874 is 478079436.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (634970873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669327 + ... + 670274.

It is an arithmetic number, because the mean of its divisors is an integer number (80376120).

Almost surely, 2^634970874 is an apocalyptic number.

634970874 is an abundant number, since it is smaller than the sum of its proper divisors (651047046).

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

634970874 is a wasteful number, since it uses less digits than its factorization.

634970874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339685.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 634970874 is about 25198.6284150547. The cubic root of 634970874 is about 859.5106617682.

The spelling of 634970874 in words is "six hundred thirty-four million, nine hundred seventy thousand, eight hundred seventy-four".