73088813 has 4 divisors (see below), whose sum is σ = 83530080. Its totient is φ = 62647548.

The previous prime is 73088809. The next prime is 73088819. The reversal of 73088813 is 31888037.

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 73088813 - 2² = 73088809 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 (73088819) 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, 5220623 + ... + 5220636.

It is an arithmetic number, because the mean of its divisors is an integer number (20882520).

Almost surely, 2^73088813 is an apocalyptic number.

It is an amenable number.

73088813 is a deficient number, since it is larger than the sum of its proper divisors (10441267).

73088813 is a wasteful number, since it uses less digits than its factorization.

73088813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441266.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 73088813 is about 8549.1995531746. The cubic root of 73088813 is about 418.1033393760.

The spelling of 73088813 in words is "seventy-three million, eighty-eight thousand, eight hundred thirteen".