631488074 has 16 divisors (see below), whose sum is σ = 1090456128. Its totient is φ = 268661472.

The previous prime is 631488071. The next prime is 631488101. The reversal of 631488074 is 470884136.

It is not an unprimeable number, because it can be changed into a prime (631488071) 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, 162704 + ... + 166539.

It is an arithmetic number, because the mean of its divisors is an integer number (68153508).

Almost surely, 2^631488074 is an apocalyptic number.

631488074 is a deficient number, since it is larger than the sum of its proper divisors (458968054).

631488074 is a wasteful number, since it uses less digits than its factorization.

631488074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329389.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 631488074 is about 25129.4264558505. The cubic root of 631488074 is about 857.9363147164.

The spelling of 631488074 in words is "six hundred thirty-one million, four hundred eighty-eight thousand, seventy-four".