3734355661 has 8 divisors (see below), whose sum is σ = 3800611584. Its totient is φ = 3668508000.

The previous prime is 3734355659. The next prime is 3734355707. The reversal of 3734355661 is 1665534373.

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 3734355661 - 2¹ = 3734355659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3734355631) 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, 83581 + ... + 120226.

It is an arithmetic number, because the mean of its divisors is an integer number (475076448).

Almost surely, 2^3734355661 is an apocalyptic number.

It is an amenable number.

3734355661 is a deficient number, since it is larger than the sum of its proper divisors (66255923).

3734355661 is a wasteful number, since it uses less digits than its factorization.

3734355661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204131.

The product of its digits is 680400, while the sum is 43.

The square root of 3734355661 is about 61109.3745754283. The cubic root of 3734355661 is about 1551.4527705740.

The spelling of 3734355661 in words is "three billion, seven hundred thirty-four million, three hundred fifty-five thousand, six hundred sixty-one".