73015985 has 16 divisors (see below), whose sum is σ = 102844416. Its totient is φ = 48714048.

The previous prime is 73015973. The next prime is 73016017. The reversal of 73015985 is 58951037.

It is a cyclic number.

It is not a de Polignac number, because 73015985 - 2¹⁰ = 73014961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26897 + ... + 29486.

It is an arithmetic number, because the mean of its divisors is an integer number (6427776).

Almost surely, 2^73015985 is an apocalyptic number.

It is an amenable number.

73015985 is a deficient number, since it is larger than the sum of its proper divisors (29828431).

73015985 is a wasteful number, since it uses less digits than its factorization.

73015985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56432.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 73015985 is about 8544.9391454825. The cubic root of 73015985 is about 417.9644227712.

The spelling of 73015985 in words is "seventy-three million, fifteen thousand, nine hundred eighty-five".