3344720642 has 4 divisors (see below), whose sum is σ = 5017080966. Its totient is φ = 1672360320.

The previous prime is 3344720593. The next prime is 3344720657. The reversal of 3344720642 is 2460274433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1761396961 + 1583323681 = 41969^2 + 39791^2 .

It is a super-2 number, since 2×3344720642² = 22374312346041784328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836180159 + ... + 836180162.

Almost surely, 2^3344720642 is an apocalyptic number.

3344720642 is a deficient number, since it is larger than the sum of its proper divisors (1672360324).

3344720642 is a wasteful number, since it uses less digits than its factorization.

3344720642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672360323.

The product of its (nonzero) digits is 96768, while the sum is 35.

The square root of 3344720642 is about 57833.5598247246. The cubic root of 3344720642 is about 1495.5006867995.

The spelling of 3344720642 in words is "three billion, three hundred forty-four million, seven hundred twenty thousand, six hundred forty-two".