630678716 has 12 divisors (see below), whose sum is σ = 1168610688. Its totient is φ = 296789952.

The previous prime is 630678709. The next prime is 630678739. The reversal of 630678716 is 617876036.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4637276 + ... + 4637411.

It is an arithmetic number, because the mean of its divisors is an integer number (97384224).

Almost surely, 2^630678716 is an apocalyptic number.

It is an amenable number.

630678716 is a deficient number, since it is larger than the sum of its proper divisors (537931972).

630678716 is a wasteful number, since it uses less digits than its factorization.

630678716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9274708 (or 9274706 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 630678716 is about 25113.3175028709. The cubic root of 630678716 is about 857.5696282005.

The spelling of 630678716 in words is "six hundred thirty million, six hundred seventy-eight thousand, seven hundred sixteen".