647474003 has 8 divisors (see below), whose sum is σ = 708018096. Its totient is φ = 587210400.

The previous prime is 647473969. The next prime is 647474017. The reversal of 647474003 is 300474746.

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 647474003 - 2¹⁴ = 647457619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (647474603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65276 + ... + 74537.

It is an arithmetic number, because the mean of its divisors is an integer number (88502262).

Almost surely, 2^647474003 is an apocalyptic number.

647474003 is a deficient number, since it is larger than the sum of its proper divisors (60544093).

647474003 is a wasteful number, since it uses less digits than its factorization.

647474003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140245.

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 647474003 is about 25445.5104684500. The cubic root of 647474003 is about 865.1155371527.

The spelling of 647474003 in words is "six hundred forty-seven million, four hundred seventy-four thousand, three".