647055373 has 8 divisors (see below), whose sum is σ = 653931200. Its totient is φ = 640191168.

The previous prime is 647055359. The next prime is 647055407. The reversal of 647055373 is 373550746.

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 647055373 - 2⁵ = 647055341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647050373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151258 + ... + 155476.

It is an arithmetic number, because the mean of its divisors is an integer number (81741400).

Almost surely, 2^647055373 is an apocalyptic number.

It is an amenable number.

647055373 is a deficient number, since it is larger than the sum of its proper divisors (6875827).

647055373 is a wasteful number, since it uses less digits than its factorization.

647055373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811.

The product of its (nonzero) digits is 264600, while the sum is 40.

The square root of 647055373 is about 25437.2831292967. The cubic root of 647055373 is about 864.9290476067.

The spelling of 647055373 in words is "six hundred forty-seven million, fifty-five thousand, three hundred seventy-three".