73725215 has 8 divisors (see below), whose sum is σ = 88529568. Its totient is φ = 58940640.

The previous prime is 73725199. The next prime is 73725229. The reversal of 73725215 is 51252737.

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

It is not a de Polignac number, because 73725215 - 2⁴ = 73725199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129 + ... + 13181.

It is an arithmetic number, because the mean of its divisors is an integer number (11066196).

Almost surely, 2^73725215 is an apocalyptic number.

73725215 is a deficient number, since it is larger than the sum of its proper divisors (14804353).

73725215 is a wasteful number, since it uses less digits than its factorization.

73725215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9889.

The product of its digits is 14700, while the sum is 32.

The square root of 73725215 is about 8586.3388589084. The cubic root of 73725215 is about 419.3133432292.

It can be divided in two parts, 737 and 25215, that added together give a palindrome (25952).

The spelling of 73725215 in words is "seventy-three million, seven hundred twenty-five thousand, two hundred fifteen".