73704340 has 24 divisors (see below), whose sum is σ = 155824200. Its totient is φ = 29282688.

The previous prime is 73704271. The next prime is 73704353. The reversal of 73704340 is 4340737.

It can be written as a sum of positive squares in 4 ways, for example, as 2268036 + 71436304 = 1506^2 + 8452^2 .

It is a super-3 number, since 3×73704340³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73704299 and 73704308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9387 + ... + 15346.

It is an arithmetic number, because the mean of its divisors is an integer number (6492675).

Almost surely, 2^73704340 is an apocalyptic number.

It is an amenable number.

73704340 is an abundant number, since it is smaller than the sum of its proper divisors (82119860).

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

73704340 is a wasteful number, since it uses less digits than its factorization.

73704340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24891 (or 24889 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 73704340 is about 8585.1231790814. The cubic root of 73704340 is about 419.2737638609.

The spelling of 73704340 in words is "seventy-three million, seven hundred four thousand, three hundred forty".