73158901 has 4 divisors (see below), whose sum is σ = 73248192. Its totient is φ = 73069612.

The previous prime is 73158893. The next prime is 73158937. The reversal of 73158901 is 10985137.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 73158901 - 2³ = 73158893 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 (73158961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43405 + ... + 45058.

It is an arithmetic number, because the mean of its divisors is an integer number (18312048).

Almost surely, 2^73158901 is an apocalyptic number.

It is an amenable number.

73158901 is a deficient number, since it is larger than the sum of its proper divisors (89291).

73158901 is an equidigital number, since it uses as much as digits as its factorization.

73158901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89290.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 73158901 is about 8553.2976681512. The cubic root of 73158901 is about 418.2369424254.

The spelling of 73158901 in words is "seventy-three million, one hundred fifty-eight thousand, nine hundred one".