630677756 has 24 divisors (see below), whose sum is σ = 1154872320. Its totient is φ = 300790512.

The previous prime is 630677717. The next prime is 630677759. The reversal of 630677756 is 657776036.

It is a self number, because there is not a number n which added to its sum of digits gives 630677756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630677759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24425 + ... + 43103.

It is an arithmetic number, because the mean of its divisors is an integer number (48119680).

Almost surely, 2^630677756 is an apocalyptic number.

It is an amenable number.

630677756 is a deficient number, since it is larger than the sum of its proper divisors (524194564).

630677756 is a wasteful number, since it uses less digits than its factorization.

630677756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19073 (or 19071 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 47.

The square root of 630677756 is about 25113.2983894987. The cubic root of 630677756 is about 857.5691930781.

The spelling of 630677756 in words is "six hundred thirty million, six hundred seventy-seven thousand, seven hundred fifty-six".