73385997 has 4 divisors (see below), whose sum is σ = 97848000. Its totient is φ = 48923996.

The previous prime is 73385981. The next prime is 73386007. The reversal of 73385997 is 79958337.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79958337 = 3 ⋅26652779.

It is a cyclic number.

It is not a de Polignac number, because 73385997 - 2⁴ = 73385981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73385947) 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, 12230997 + ... + 12231002.

It is an arithmetic number, because the mean of its divisors is an integer number (24462000).

Almost surely, 2^73385997 is an apocalyptic number.

It is an amenable number.

73385997 is a deficient number, since it is larger than the sum of its proper divisors (24462003).

73385997 is a wasteful number, since it uses less digits than its factorization.

73385997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24462002.

The product of its digits is 1428840, while the sum is 51.

The square root of 73385997 is about 8566.5627295900. The cubic root of 73385997 is about 418.6692517652.

The spelling of 73385997 in words is "seventy-three million, three hundred eighty-five thousand, nine hundred ninety-seven".