630907742 has 16 divisors (see below), whose sum is σ = 955018512. Its totient is φ = 312576960.

The previous prime is 630907699. The next prime is 630907751. The reversal of 630907742 is 247709036.

It is a junction number, because it is equal to n+sod(n) for n = 630907696 and 630907705.

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, 174392 + ... + 177972.

It is an arithmetic number, because the mean of its divisors is an integer number (59688657).

Almost surely, 2^630907742 is an apocalyptic number.

630907742 is a deficient number, since it is larger than the sum of its proper divisors (324110770).

630907742 is a wasteful number, since it uses less digits than its factorization.

630907742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 630907742 is about 25117.8769405378. The cubic root of 630907742 is about 857.6734221857.

The spelling of 630907742 in words is "six hundred thirty million, nine hundred seven thousand, seven hundred forty-two".