647630034 has 16 divisors (see below), whose sum is σ = 1297969920. Its totient is φ = 215425040.

The previous prime is 647630033. The next prime is 647630057. The reversal of 647630034 is 430036746.

It is a junction number, because it is equal to n+sod(n) for n = 647629977 and 647630004.

It is not an unprimeable number, because it can be changed into a prime (647630033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109797 + ... + 115544.

It is an arithmetic number, because the mean of its divisors is an integer number (81123120).

Almost surely, 2^647630034 is an apocalyptic number.

647630034 is an abundant number, since it is smaller than the sum of its proper divisors (650339886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

647630034 is a wasteful number, since it uses less digits than its factorization.

647630034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225825.

The product of its (nonzero) digits is 36288, while the sum is 33.

The square root of 647630034 is about 25448.5762666598. The cubic root of 647630034 is about 865.1850246277.

The spelling of 647630034 in words is "six hundred forty-seven million, six hundred thirty thousand, thirty-four".