647672363 has 8 divisors (see below), whose sum is σ = 697736256. Its totient is φ = 597643200.

The previous prime is 647672353. The next prime is 647672411. The reversal of 647672363 is 363276746.

647672363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 647672363 - 2¹⁸ = 647410219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (647672353) 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, 40343 + ... + 54063.

It is an arithmetic number, because the mean of its divisors is an integer number (87217032).

Almost surely, 2^647672363 is an apocalyptic number.

647672363 is a deficient number, since it is larger than the sum of its proper divisors (50063893).

647672363 is a wasteful number, since it uses less digits than its factorization.

647672363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17365.

The product of its digits is 762048, while the sum is 44.

The square root of 647672363 is about 25449.4079105978. The cubic root of 647672363 is about 865.2038736707.

The spelling of 647672363 in words is "six hundred forty-seven million, six hundred seventy-two thousand, three hundred sixty-three".