73287506 has 16 divisors (see below), whose sum is σ = 112269024. Its totient is φ = 35872704.

The previous prime is 73287497. The next prime is 73287517. The reversal of 73287506 is 60578237.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 73287506.

It is an unprimeable number.

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, 16805 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (7016814).

Almost surely, 2^73287506 is an apocalyptic number.

73287506 is a deficient number, since it is larger than the sum of its proper divisors (38981518).

73287506 is a wasteful number, since it uses less digits than its factorization.

73287506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4105.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 73287506 is about 8560.8122278204. The cubic root of 73287506 is about 418.4818699035.

The spelling of 73287506 in words is "seventy-three million, two hundred eighty-seven thousand, five hundred six".