631078470 has 96 divisors (see below), whose sum is σ = 1847798784. Its totient is φ = 148046400.

The previous prime is 631078451. The next prime is 631078477. The reversal of 631078470 is 74870136.

It is a super-4 number, since 4×631078470⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631078477) 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 47 ways as a sum of consecutive naturals, for example, 20409 + ... + 40971.

It is an arithmetic number, because the mean of its divisors is an integer number (19247904).

Almost surely, 2^631078470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631078470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923899392).

631078470 is an abundant number, since it is smaller than the sum of its proper divisors (1216720314).

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

631078470 is a wasteful number, since it uses less digits than its factorization.

631078470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20618 (or 20615 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 631078470 is about 25121.2752462927. The cubic root of 631078470 is about 857.7507793290.

The spelling of 631078470 in words is "six hundred thirty-one million, seventy-eight thousand, four hundred seventy".