647715002 has 8 divisors (see below), whose sum is σ = 1059897312. Its totient is φ = 294415900.

The previous prime is 647714999. The next prime is 647715043. The reversal of 647715002 is 200517746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 647715002.

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, 14720774 + ... + 14720817.

It is an arithmetic number, because the mean of its divisors is an integer number (132487164).

Almost surely, 2^647715002 is an apocalyptic number.

647715002 is a deficient number, since it is larger than the sum of its proper divisors (412182310).

647715002 is a wasteful number, since it uses less digits than its factorization.

647715002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29441604.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 647715002 is about 25450.2456176753. The cubic root of 647715002 is about 865.2228599259. Note that the first 3 decimals are identical.

The spelling of 647715002 in words is "six hundred forty-seven million, seven hundred fifteen thousand, two".