7324736661 has 32 divisors (see below), whose sum is σ = 12038630400. Its totient is φ = 4363982640.

The previous prime is 7324736651. The next prime is 7324736663. The reversal of 7324736661 is 1666374237.

It is not a de Polignac number, because 7324736661 - 2¹⁰ = 7324735637 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7324736663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191481 + ... + 226526.

It is an arithmetic number, because the mean of its divisors is an integer number (376207200).

Almost surely, 2^7324736661 is an apocalyptic number.

It is an amenable number.

7324736661 is a deficient number, since it is larger than the sum of its proper divisors (4713893739).

7324736661 is a wasteful number, since it uses less digits than its factorization.

7324736661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418086 (or 418080 counting only the distinct ones).

The product of its digits is 762048, while the sum is 45.

The square root of 7324736661 is about 85584.6753864265. The cubic root of 7324736661 is about 1942.0660899304.

The spelling of 7324736661 in words is "seven billion, three hundred twenty-four million, seven hundred thirty-six thousand, six hundred sixty-one".