631270474 has 4 divisors (see below), whose sum is σ = 946905714. Its totient is φ = 315635236.

The previous prime is 631270457. The next prime is 631270477. The reversal of 631270474 is 474072136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 616777225 + 14493249 = 24835^2 + 3807^2 .

It is a super-2 number, since 2×631270474² = 797004822688369352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (631270477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157817617 + ... + 157817620.

Almost surely, 2^631270474 is an apocalyptic number.

631270474 is a deficient number, since it is larger than the sum of its proper divisors (315635240).

631270474 is a wasteful number, since it uses less digits than its factorization.

631270474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315635239.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 631270474 is about 25125.0964973271. The cubic root of 631270474 is about 857.8377599973.

The spelling of 631270474 in words is "six hundred thirty-one million, two hundred seventy thousand, four hundred seventy-four".