647433327 has 8 divisors (see below), whose sum is σ = 883320064. Its totient is φ = 421584408.

The previous prime is 647433313. The next prime is 647433349. The reversal of 647433327 is 723334746.

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

It is not a de Polignac number, because 647433327 - 2⁶ = 647433263 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 (647433307) 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, 2509303 + ... + 2509560.

It is an arithmetic number, because the mean of its divisors is an integer number (110415008).

Almost surely, 2^647433327 is an apocalyptic number.

647433327 is a deficient number, since it is larger than the sum of its proper divisors (235886737).

647433327 is a wasteful number, since it uses less digits than its factorization.

647433327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5018909.

The product of its digits is 254016, while the sum is 39.

The square root of 647433327 is about 25444.7111793394. The cubic root of 647433327 is about 865.0974205043.

The spelling of 647433327 in words is "six hundred forty-seven million, four hundred thirty-three thousand, three hundred twenty-seven".