3734742320172 has 48 divisors (see below), whose sum is σ = 10252233825120. Its totient is φ = 1171683864576.

The previous prime is 3734742320143. The next prime is 3734742320191. The reversal of 3734742320172 is 2710232474373.

It is a happy number.

3734742320172 is a `hidden beast` number, since 3 + 7 + 3 + 474 + 2 + 3 + 2 + 0 + 172 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1017084853 + ... + 1017088524.

It is an arithmetic number, because the mean of its divisors is an integer number (213588204690).

Almost surely, 2^{3734742320172} is an apocalyptic number.

It is an amenable number.

3734742320172 is an abundant number, since it is smaller than the sum of its proper divisors (6517491504948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3734742320172 is a wasteful number, since it uses less digits than its factorization.

3734742320172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034173407 (or 2034173399 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 45.

The spelling of 3734742320172 in words is "three trillion, seven hundred thirty-four billion, seven hundred forty-two million, three hundred twenty thousand, one hundred seventy-two".