631729046 has 16 divisors (see below), whose sum is σ = 1048067664. Its totient is φ = 283686624.

The previous prime is 631729001. The next prime is 631729073. The reversal of 631729046 is 640927136.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 327380 + ... + 329303.

It is an arithmetic number, because the mean of its divisors is an integer number (65504229).

Almost surely, 2^631729046 is an apocalyptic number.

631729046 is a deficient number, since it is larger than the sum of its proper divisors (416338618).

631729046 is a wasteful number, since it uses less digits than its factorization.

631729046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656735.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 631729046 is about 25134.2206165220. The cubic root of 631729046 is about 858.0454285946.

The spelling of 631729046 in words is "six hundred thirty-one million, seven hundred twenty-nine thousand, forty-six".