73225815 has 32 divisors (see below), whose sum is σ = 127141056. Its totient is φ = 35773440.

The previous prime is 73225799. The next prime is 73225819. The reversal of 73225815 is 51852237.

It is not a de Polignac number, because 73225815 - 2⁴ = 73225799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73225819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25345 + ... + 28085.

It is an arithmetic number, because the mean of its divisors is an integer number (3973158).

Almost surely, 2^73225815 is an apocalyptic number.

73225815 is a deficient number, since it is larger than the sum of its proper divisors (53915241).

73225815 is a wasteful number, since it uses less digits than its factorization.

73225815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899.

The product of its digits is 16800, while the sum is 33.

The square root of 73225815 is about 8557.2083648816. The cubic root of 73225815 is about 418.3644155393.

The spelling of 73225815 in words is "seventy-three million, two hundred twenty-five thousand, eight hundred fifteen".