3231745761 has 16 divisors (see below), whose sum is σ = 4459109760. Its totient is φ = 2079490560.

The previous prime is 3231745721. The next prime is 3231745763. The reversal of 3231745761 is 1675471323.

It is not a de Polignac number, because 3231745761 - 2⁷ = 3231745633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3231745763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388516 + ... + 396746.

It is an arithmetic number, because the mean of its divisors is an integer number (278694360).

Almost surely, 2^3231745761 is an apocalyptic number.

It is an amenable number.

3231745761 is a deficient number, since it is larger than the sum of its proper divisors (1227363999).

3231745761 is a wasteful number, since it uses less digits than its factorization.

3231745761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12776.

The product of its digits is 105840, while the sum is 39.

The square root of 3231745761 is about 56848.4455460305. The cubic root of 3231745761 is about 1478.4695893304.

The spelling of 3231745761 in words is "three billion, two hundred thirty-one million, seven hundred forty-five thousand, seven hundred sixty-one".