631672074 has 64 divisors (see below), whose sum is σ = 1534464000. Its totient is φ = 191023920.

The previous prime is 631672061. The next prime is 631672121. The reversal of 631672074 is 470276136.

It is a super-2 number, since 2×631672074² = 798019218142922952, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 438247 + ... + 439685.

It is an arithmetic number, because the mean of its divisors is an integer number (23976000).

Almost surely, 2^631672074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631672074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767232000).

631672074 is an abundant number, since it is smaller than the sum of its proper divisors (902791926).

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

631672074 is a wasteful number, since it uses less digits than its factorization.

631672074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2200 (or 2194 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 631672074 is about 25133.0872357536. The cubic root of 631672074 is about 858.0196337627.

The spelling of 631672074 in words is "six hundred thirty-one million, six hundred seventy-two thousand, seventy-four".