647360630 has 16 divisors (see below), whose sum is σ = 1331713440. Its totient is φ = 221952192.

The previous prime is 647360617. The next prime is 647360639. The reversal of 647360630 is 36063746.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647360639) 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, 4623935 + ... + 4624074.

It is an arithmetic number, because the mean of its divisors is an integer number (83232090).

Almost surely, 2^647360630 is an apocalyptic number.

647360630 is an abundant number, since it is smaller than the sum of its proper divisors (684352810).

647360630 is a wasteful number, since it uses less digits than its factorization.

647360630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248023.

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 647360630 is about 25443.2826105438. The cubic root of 647360630 is about 865.0650401605.

The spelling of 647360630 in words is "six hundred forty-seven million, three hundred sixty thousand, six hundred thirty".