631264370 has 16 divisors (see below), whose sum is σ = 1239573888. Its totient is φ = 229550640.

The previous prime is 631264367. The next prime is 631264391. The reversal of 631264370 is 73462136.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2869274 + ... + 2869493.

It is an arithmetic number, because the mean of its divisors is an integer number (77473368).

Almost surely, 2^631264370 is an apocalyptic number.

631264370 is a deficient number, since it is larger than the sum of its proper divisors (608309518).

631264370 is a wasteful number, since it uses less digits than its factorization.

631264370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5738785.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 631264370 is about 25124.9750248632. The cubic root of 631264370 is about 857.8349950659.

The spelling of 631264370 in words is "six hundred thirty-one million, two hundred sixty-four thousand, three hundred seventy".