630245744 has 10 divisors (see below), whose sum is σ = 1221101160. Its totient is φ = 315122864.

The previous prime is 630245731. The next prime is 630245767. The reversal of 630245744 is 447542036.

It is a super-2 number, since 2×630245744² = 794419395660227072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19695164 + ... + 19695195.

It is an arithmetic number, because the mean of its divisors is an integer number (122110116).

Almost surely, 2^630245744 is an apocalyptic number.

It is an amenable number.

630245744 is a deficient number, since it is larger than the sum of its proper divisors (590855416).

630245744 is a wasteful number, since it uses less digits than its factorization.

630245744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39390367 (or 39390361 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 630245744 is about 25104.6956563907. The cubic root of 630245744 is about 857.3733377445.

The spelling of 630245744 in words is "six hundred thirty million, two hundred forty-five thousand, seven hundred forty-four".