3216672745 has 32 divisors (see below), whose sum is σ = 4579835904. Its totient is φ = 2138016000.

The previous prime is 3216672713. The next prime is 3216672769. The reversal of 3216672745 is 5472766123.

It is not a de Polignac number, because 3216672745 - 2⁵ = 3216672713 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49944 + ... + 94486.

It is an arithmetic number, because the mean of its divisors is an integer number (143119872).

Almost surely, 2^3216672745 is an apocalyptic number.

It is an amenable number.

3216672745 is a deficient number, since it is larger than the sum of its proper divisors (1363163159).

3216672745 is a wasteful number, since it uses less digits than its factorization.

3216672745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44673.

The product of its digits is 423360, while the sum is 43.

The square root of 3216672745 is about 56715.7186765715. The cubic root of 3216672745 is about 1476.1674556879.

The spelling of 3216672745 in words is "three billion, two hundred sixteen million, six hundred seventy-two thousand, seven hundred forty-five".