9740621017172 has 12 divisors (see below), whose sum is σ = 17079975624096. Its totient is φ = 4860627981720.

The previous prime is 9740621017163. The next prime is 9740621017213. The reversal of 9740621017172 is 2717101260479.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2420629454 + ... + 2420633477.

It is an arithmetic number, because the mean of its divisors is an integer number (1423331302008).

Almost surely, 2^{9740621017172} is an apocalyptic number.

It is an amenable number.

9740621017172 is a deficient number, since it is larger than the sum of its proper divisors (7339354606924).

9740621017172 is a wasteful number, since it uses less digits than its factorization.

9740621017172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841263438 (or 4841263436 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 9740621017172 in words is "nine trillion, seven hundred forty billion, six hundred twenty-one million, seventeen thousand, one hundred seventy-two".