3246772561 has 8 divisors (see below), whose sum is σ = 3294459648. Its totient is φ = 3199140000.

The previous prime is 3246772553. The next prime is 3246772567. The reversal of 3246772561 is 1652776423.

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

It is a cyclic number.

It is not a de Polignac number, because 3246772561 - 2³ = 3246772553 is a prime.

It is a super-4 number, since 4×3246772561⁴ (a number of 39 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3246772567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115176 + ... + 140566.

It is an arithmetic number, because the mean of its divisors is an integer number (411807456).

Almost surely, 2^3246772561 is an apocalyptic number.

It is an amenable number.

3246772561 is a deficient number, since it is larger than the sum of its proper divisors (47687087).

3246772561 is a wasteful number, since it uses less digits than its factorization.

3246772561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27263.

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

The square root of 3246772561 is about 56980.4577113944. The cubic root of 3246772561 is about 1480.7575499953.

The spelling of 3246772561 in words is "three billion, two hundred forty-six million, seven hundred seventy-two thousand, five hundred sixty-one".