647062732 has 12 divisors (see below), whose sum is σ = 1171406880. Its totient is φ = 312375056.

The previous prime is 647062711. The next prime is 647062739. The reversal of 647062732 is 237260746.

It is a happy number.

It is a super-4 number, since 4×647062732⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 647062691 and 647062700.

It is not an unprimeable number, because it can be changed into a prime (647062739) 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 3 ways as a sum of consecutive naturals, for example, 2788948 + ... + 2789179.

It is an arithmetic number, because the mean of its divisors is an integer number (97617240).

Almost surely, 2^647062732 is an apocalyptic number.

It is an amenable number.

647062732 is a deficient number, since it is larger than the sum of its proper divisors (524344148).

647062732 is a wasteful number, since it uses less digits than its factorization.

647062732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578160 (or 5578158 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The square root of 647062732 is about 25437.4277787673. The cubic root of 647062732 is about 864.9323265577.

The spelling of 647062732 in words is "six hundred forty-seven million, sixty-two thousand, seven hundred thirty-two".