72732342107 has 4 divisors (see below), whose sum is σ = 72734885376. Its totient is φ = 72729798840.

The previous prime is 72732342101. The next prime is 72732342121. The reversal of 72732342107 is 70124323727.

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

It is a cyclic number.

It is not a de Polignac number, because 72732342107 - 2⁴ = 72732342091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72732342101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228244 + ... + 1286097.

It is an arithmetic number, because the mean of its divisors is an integer number (18183721344).

Almost surely, 2^72732342107 is an apocalyptic number.

72732342107 is a deficient number, since it is larger than the sum of its proper divisors (2543269).

72732342107 is a wasteful number, since it uses less digits than its factorization.

72732342107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543268.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 72732342107 in words is "seventy-two billion, seven hundred thirty-two million, three hundred forty-two thousand, one hundred seven".