72335042242147 has 4 divisors (see below), whose sum is σ = 72337001038920. Its totient is φ = 72333083445376.

The previous prime is 72335042242109. The next prime is 72335042242153. The reversal of 72335042242147 is 74124224053327.

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 72335042242147 - 2³⁵ = 72300682503779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72335042242097 and 72335042242106.

It is not an unprimeable number, because it can be changed into a prime (72335042242157) 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, 979342993 + ... + 979416850.

It is an arithmetic number, because the mean of its divisors is an integer number (18084250259730).

Almost surely, 2^{72335042242147} is an apocalyptic number.

72335042242147 is a deficient number, since it is larger than the sum of its proper divisors (1958796773).

72335042242147 is a wasteful number, since it uses less digits than its factorization.

72335042242147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958796772.

The product of its (nonzero) digits is 2257920, while the sum is 46.

The spelling of 72335042242147 in words is "seventy-two trillion, three hundred thirty-five billion, forty-two million, two hundred forty-two thousand, one hundred forty-seven".