73285690 has 32 divisors (see below), whose sum is σ = 135489024. Its totient is φ = 28527360.

The previous prime is 73285687. The next prime is 73285711. The reversal of 73285690 is 9658237.

It is a super-2 number, since 2×73285690² = 10741584717552200, which contains 22 as substring.

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, 112947 + ... + 113593.

It is an arithmetic number, because the mean of its divisors is an integer number (4234032).

Almost surely, 2^73285690 is an apocalyptic number.

73285690 is a deficient number, since it is larger than the sum of its proper divisors (62203334).

73285690 is a wasteful number, since it uses less digits than its factorization.

73285690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 73285690 is about 8560.7061624611. The cubic root of 73285690 is about 418.4784133373.

The spelling of 73285690 in words is "seventy-three million, two hundred eighty-five thousand, six hundred ninety".