73199369 has 4 divisors (see below), whose sum is σ = 73223940. Its totient is φ = 73174800.

The previous prime is 73199359. The next prime is 73199383. The reversal of 73199369 is 96399137.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7912969 + 65286400 = 2813^2 + 8080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-73199369 is a prime.

It is a super-2 number, since 2×73199369² = 10716295243996322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73199359) 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, 7082 + ... + 14019.

It is an arithmetic number, because the mean of its divisors is an integer number (18305985).

Almost surely, 2^73199369 is an apocalyptic number.

It is an amenable number.

73199369 is a deficient number, since it is larger than the sum of its proper divisors (24571).

73199369 is a wasteful number, since it uses less digits than its factorization.

73199369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24570.

The product of its digits is 275562, while the sum is 47.

The square root of 73199369 is about 8555.6629784021. The cubic root of 73199369 is about 418.3140444256.

The spelling of 73199369 in words is "seventy-three million, one hundred ninety-nine thousand, three hundred sixty-nine".