3382764721 has 16 divisors (see below), whose sum is σ = 4127929344. Its totient is φ = 2708942544.

The previous prime is 3382764709. The next prime is 3382764757. The reversal of 3382764721 is 1274672833.

It is a de Polignac number, because none of the positive numbers 2^k-3382764721 is a prime.

It is a super-2 number, since 2×3382764721² = 22886194315284415682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (3382764521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237391 + ... + 251236.

It is an arithmetic number, because the mean of its divisors is an integer number (257995584).

Almost surely, 2^3382764721 is an apocalyptic number.

It is an amenable number.

3382764721 is a deficient number, since it is larger than the sum of its proper divisors (745164623).

3382764721 is a wasteful number, since it uses less digits than its factorization.

3382764721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488700.

The product of its digits is 338688, while the sum is 43.

The square root of 3382764721 is about 58161.5398781704. The cubic root of 3382764721 is about 1501.1494479916.

The spelling of 3382764721 in words is "three billion, three hundred eighty-two million, seven hundred sixty-four thousand, seven hundred twenty-one".