631572460 has 12 divisors (see below), whose sum is σ = 1326302208. Its totient is φ = 252628976.

The previous prime is 631572439. The next prime is 631572463. The reversal of 631572460 is 64275136.

It is a happy number.

631572460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (631572463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15789292 + ... + 15789331.

It is an arithmetic number, because the mean of its divisors is an integer number (110525184).

Almost surely, 2^631572460 is an apocalyptic number.

It is an amenable number.

631572460 is an abundant number, since it is smaller than the sum of its proper divisors (694729748).

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

631572460 is a wasteful number, since it uses less digits than its factorization.

631572460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31578632 (or 31578630 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 631572460 is about 25131.1054273384. The cubic root of 631572460 is about 857.9745284701.

The spelling of 631572460 in words is "six hundred thirty-one million, five hundred seventy-two thousand, four hundred sixty".