3572973665 has 16 divisors (see below), whose sum is σ = 4427758080. Its totient is φ = 2764997760.

The previous prime is 3572973647. The next prime is 3572973749. The reversal of 3572973665 is 5663792753.

It is not a de Polignac number, because 3572973665 - 2⁸ = 3572973409 is a prime.

It is a super-2 number, since 2×3572973665² = 25532281621567064450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606062 + ... + 611928.

It is an arithmetic number, because the mean of its divisors is an integer number (276734880).

Almost surely, 2^3572973665 is an apocalyptic number.

It is an amenable number.

3572973665 is a deficient number, since it is larger than the sum of its proper divisors (854784415).

3572973665 is a wasteful number, since it uses less digits than its factorization.

3572973665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9832.

The product of its digits is 7144200, while the sum is 53.

The square root of 3572973665 is about 59774.3562491475. The cubic root of 3572973665 is about 1528.7739426544.

The spelling of 3572973665 in words is "three billion, five hundred seventy-two million, nine hundred seventy-three thousand, six hundred sixty-five".