73199137 has 8 divisors (see below), whose sum is σ = 80114112. Its totient is φ = 66327600.

The previous prime is 73199131. The next prime is 73199141.

It is a happy number.

73199137 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73199137 - 2¹⁵ = 73166369 is a prime.

It is a super-2 number, since 2×73199137² = 10716227315089538, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73199137.

It is not an unprimeable number, because it can be changed into a prime (73199131) 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 7 ways as a sum of consecutive naturals, for example, 7278 + ... + 14119.

It is an arithmetic number, because the mean of its divisors is an integer number (10014264).

Almost surely, 2^73199137 is an apocalyptic number.

It is an amenable number.

73199137 is a deficient number, since it is larger than the sum of its proper divisors (6914975).

73199137 is a wasteful number, since it uses less digits than its factorization.

73199137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21719.

The product of its digits is 35721, while the sum is 40.

The square root of 73199137 is about 8555.6494201200. The cubic root of 73199137 is about 418.3136024866.

The spelling of 73199137 in words is "seventy-three million, one hundred ninety-nine thousand, one hundred thirty-seven".