73239215 has 8 divisors (see below), whose sum is σ = 100442400. Its totient is φ = 50221152.

The previous prime is 73239209. The next prime is 73239217. The reversal of 73239215 is 51293237.

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 73239215 - 2⁸ = 73238959 is a prime.

It is a super-2 number, since 2×73239215² = 10727965227632450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73239217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1046240 + ... + 1046309.

It is an arithmetic number, because the mean of its divisors is an integer number (12555300).

Almost surely, 2^73239215 is an apocalyptic number.

73239215 is a deficient number, since it is larger than the sum of its proper divisors (27203185).

73239215 is a wasteful number, since it uses less digits than its factorization.

73239215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092561.

The product of its digits is 11340, while the sum is 32.

The square root of 73239215 is about 8557.9912946906. The cubic root of 73239215 is about 418.3899335948.

The spelling of 73239215 in words is "seventy-three million, two hundred thirty-nine thousand, two hundred fifteen".