73842805 has 8 divisors (see below), whose sum is σ = 88706232. Its totient is φ = 59011008.

The previous prime is 73842803. The next prime is 73842809. The reversal of 73842805 is 50824837.

It can be written as a sum of positive squares in 4 ways, for example, as 12236004 + 61606801 = 3498^2 + 7849^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73842805 - 2¹ = 73842803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73842803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422 + ... + 12391.

It is an arithmetic number, because the mean of its divisors is an integer number (11088279).

Almost surely, 2^73842805 is an apocalyptic number.

It is an amenable number.

73842805 is a deficient number, since it is larger than the sum of its proper divisors (14863427).

73842805 is a wasteful number, since it uses less digits than its factorization.

73842805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15815.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 73842805 is about 8593.1836358826. The cubic root of 73842805 is about 419.5361564811.

It can be divided in two parts, 73842 and 805, that added together give a palindrome (74647).

The spelling of 73842805 in words is "seventy-three million, eight hundred forty-two thousand, eight hundred five".