3207730897 has 4 divisors (see below), whose sum is σ = 3665978176. Its totient is φ = 2749483620.

The previous prime is 3207730853. The next prime is 3207730907. The reversal of 3207730897 is 7980377023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3207730897 - 2⁷ = 3207730769 is a prime.

It is a super-3 number, since 3×3207730897³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3207730597) 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 3 ways as a sum of consecutive naturals, for example, 229123629 + ... + 229123642.

It is an arithmetic number, because the mean of its divisors is an integer number (916494544).

Almost surely, 2^3207730897 is an apocalyptic number.

It is an amenable number.

3207730897 is a deficient number, since it is larger than the sum of its proper divisors (458247279).

3207730897 is an equidigital number, since it uses as much as digits as its factorization.

3207730897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458247278.

The product of its (nonzero) digits is 444528, while the sum is 46.

The square root of 3207730897 is about 56636.8333948853. The cubic root of 3207730897 is about 1474.7983479187.

The spelling of 3207730897 in words is "three billion, two hundred seven million, seven hundred thirty thousand, eight hundred ninety-seven".