84140773 has 4 divisors (see below), whose sum is σ = 84240268. Its totient is φ = 84041280.

The previous prime is 84140753. The next prime is 84140821. The reversal of 84140773 is 37704148.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24186724 + 59954049 = 4918^2 + 7743^2 .

It is a cyclic number.

It is not a de Polignac number, because 84140773 - 2¹⁷ = 84009701 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 (84140713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48468 + ... + 50173.

It is an arithmetic number, because the mean of its divisors is an integer number (21060067).

Almost surely, 2^84140773 is an apocalyptic number.

It is an amenable number.

84140773 is a deficient number, since it is larger than the sum of its proper divisors (99495).

84140773 is an equidigital number, since it uses as much as digits as its factorization.

84140773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99494.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 84140773 is about 9172.8279717871. The cubic root of 84140773 is about 438.1964274678.

It can be divided in two parts, 841 and 40773, that added together give a palindrome (41614).

The spelling of 84140773 in words is "eighty-four million, one hundred forty thousand, seven hundred seventy-three".