647023030 has 8 divisors (see below), whose sum is σ = 1164641472. Its totient is φ = 258809208.

The previous prime is 647023007. The next prime is 647023049. The reversal of 647023030 is 30320746.

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

It is a junction number, because it is equal to n+sod(n) for n = 647022986 and 647023004.

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, 32351142 + ... + 32351161.

It is an arithmetic number, because the mean of its divisors is an integer number (145580184).

Almost surely, 2^647023030 is an apocalyptic number.

647023030 is a deficient number, since it is larger than the sum of its proper divisors (517618442).

647023030 is a wasteful number, since it uses less digits than its factorization.

647023030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64702310.

The product of its (nonzero) digits is 3024, while the sum is 25.

The square root of 647023030 is about 25436.6473812883. The cubic root of 647023030 is about 864.9146362351.

Adding to 647023030 its reverse (30320746), we get a palindrome (677343776).

The spelling of 647023030 in words is "six hundred forty-seven million, twenty-three thousand, thirty".