73390685 has 12 divisors (see below), whose sum is σ = 89206068. Its totient is φ = 57957888.

The previous prime is 73390679. The next prime is 73390687. The reversal of 73390685 is 58609337.

It can be written as a sum of positive squares in 6 ways, for example, as 9821956 + 63568729 = 3134^2 + 7973^2 .

It is not a de Polignac number, because 73390685 - 2¹² = 73386589 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73390687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188471 + ... + 188859.

It is an arithmetic number, because the mean of its divisors is an integer number (7433839).

Almost surely, 2^73390685 is an apocalyptic number.

It is an amenable number.

73390685 is a deficient number, since it is larger than the sum of its proper divisors (15815383).

73390685 is an frugal number, since it uses more digits than its factorization.

73390685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 73390685 is about 8566.8363472171. The cubic root of 73390685 is about 418.6781666342.

The spelling of 73390685 in words is "seventy-three million, three hundred ninety thousand, six hundred eighty-five".