72753231429 has 32 divisors (see below), whose sum is σ = 108561168000. Its totient is φ = 48152119680.

The previous prime is 72753231401. The next prime is 72753231469. The reversal of 72753231429 is 92413235727.

72753231429 is a `hidden beast` number, since 72 + 7 + 532 + 3 + 1 + 42 + 9 = 666.

It is not a de Polignac number, because 72753231429 - 2²¹ = 72751134277 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72753231469) 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, 11434209 + ... + 11440569.

It is an arithmetic number, because the mean of its divisors is an integer number (3392536500).

Almost surely, 2^72753231429 is an apocalyptic number.

It is an amenable number.

72753231429 is a deficient number, since it is larger than the sum of its proper divisors (35807936571).

72753231429 is a wasteful number, since it uses less digits than its factorization.

72753231429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9362 (or 9356 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 72753231429 in words is "seventy-two billion, seven hundred fifty-three million, two hundred thirty-one thousand, four hundred twenty-nine".