3647973673 has 8 divisors (see below), whose sum is σ = 3810077568. Its totient is φ = 3486161184.

The previous prime is 3647973653. The next prime is 3647973691. The reversal of 3647973673 is 3763797463.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3647973673 is a prime.

It is a super-3 number, since 3×3647973673³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3647973643) 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, 47061 + ... + 97522.

It is an arithmetic number, because the mean of its divisors is an integer number (476259696).

Almost surely, 2^3647973673 is an apocalyptic number.

It is an amenable number.

3647973673 is a deficient number, since it is larger than the sum of its proper divisors (162103895).

3647973673 is a wasteful number, since it uses less digits than its factorization.

3647973673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145703.

The product of its digits is 12002256, while the sum is 55.

The square root of 3647973673 is about 60398.4575382518. The cubic root of 3647973673 is about 1539.3967493041.

The spelling of 3647973673 in words is "three billion, six hundred forty-seven million, nine hundred seventy-three thousand, six hundred seventy-three".