72889160429 has 4 divisors (see below), whose sum is σ = 72896509920. Its totient is φ = 72881810940.

The previous prime is 72889160341. The next prime is 72889160437. The reversal of 72889160429 is 92406198827.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92406198827 = 21247 ⋅4349141.

It is a cyclic number.

It is not a de Polignac number, because 72889160429 - 2⁸ = 72889160173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72889160329) 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 3 ways as a sum of consecutive naturals, for example, 3659849 + ... + 3679710.

It is an arithmetic number, because the mean of its divisors is an integer number (18224127480).

Almost surely, 2^72889160429 is an apocalyptic number.

It is an amenable number.

72889160429 is a deficient number, since it is larger than the sum of its proper divisors (7349491).

72889160429 is an equidigital number, since it uses as much as digits as its factorization.

72889160429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7349490.

The product of its (nonzero) digits is 3483648, while the sum is 56.

The spelling of 72889160429 in words is "seventy-two billion, eight hundred eighty-nine million, one hundred sixty thousand, four hundred twenty-nine".