73520685 has 48 divisors (see below), whose sum is σ = 150359040. Its totient is φ = 32520960.

The previous prime is 73520651. The next prime is 73520701. The reversal of 73520685 is 58602537.

73520685 is a `hidden beast` number, since 73 + 520 + 68 + 5 = 666.

It is not a de Polignac number, because 73520685 - 2¹³ = 73512493 is a prime.

It is a super-2 number, since 2×73520685² = 10810582245738450, which contains 22 as substring.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 6001 + ... + 13529.

It is an arithmetic number, because the mean of its divisors is an integer number (3132480).

Almost surely, 2^73520685 is an apocalyptic number.

It is an amenable number.

73520685 is an abundant number, since it is smaller than the sum of its proper divisors (76838355).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73520685 is a wasteful number, since it uses less digits than its factorization.

73520685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578 (or 7575 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 73520685 is about 8574.4203885744. The cubic root of 73520685 is about 418.9252282165.

The spelling of 73520685 in words is "seventy-three million, five hundred twenty thousand, six hundred eighty-five".