73825785 has 24 divisors (see below), whose sum is σ = 139598784. Its totient is φ = 35794080.

The previous prime is 73825783. The next prime is 73825823. The reversal of 73825785 is 58752837.

73825785 is a `hidden beast` number, since 73 + 8 + 2 + 578 + 5 = 666.

It is not a de Polignac number, because 73825785 - 2¹ = 73825783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 73825785.

It is not an unprimeable number, because it can be changed into a prime (73825783) 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 23 ways as a sum of consecutive naturals, for example, 74077 + ... + 75066.

It is an arithmetic number, because the mean of its divisors is an integer number (5816616).

Almost surely, 2^73825785 is an apocalyptic number.

It is an amenable number.

73825785 is a deficient number, since it is larger than the sum of its proper divisors (65772999).

73825785 is a wasteful number, since it uses less digits than its factorization.

73825785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149165 (or 149162 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 73825785 is about 8592.1932589997. The cubic root of 73825785 is about 419.5039210947.

The spelling of 73825785 in words is "seventy-three million, eight hundred twenty-five thousand, seven hundred eighty-five".