3340562721 has 8 divisors (see below), whose sum is σ = 4454914464. Its totient is φ = 2226626400.

The previous prime is 3340562683. The next prime is 3340562783. The reversal of 3340562721 is 1272650433.

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

It is not a de Polignac number, because 3340562721 - 2⁷ = 3340562593 is a prime.

It is a super-2 number, since 2×3340562721² = 22318718585869847682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3340572721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84580 + ... + 117621.

It is an arithmetic number, because the mean of its divisors is an integer number (556864308).

Almost surely, 2^3340562721 is an apocalyptic number.

It is an amenable number.

3340562721 is a deficient number, since it is larger than the sum of its proper divisors (1114351743).

3340562721 is a wasteful number, since it uses less digits than its factorization.

3340562721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207711.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 3340562721 is about 57797.6013429623. The cubic root of 3340562721 is about 1494.8807294774.

The spelling of 3340562721 in words is "three billion, three hundred forty million, five hundred sixty-two thousand, seven hundred twenty-one".