73704081 has 16 divisors (see below), whose sum is σ = 110665728. Its totient is φ = 43227600.

The previous prime is 73704053. The next prime is 73704089. The reversal of 73704081 is 18040737.

It is a happy number.

It is not a de Polignac number, because 73704081 - 2¹⁴ = 73687697 is a prime.

It is a super-2 number, since 2×73704081² = 10864583112109122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (73704089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35001 + ... + 37046.

It is an arithmetic number, because the mean of its divisors is an integer number (6916608).

Almost surely, 2^73704081 is an apocalyptic number.

It is an amenable number.

73704081 is a deficient number, since it is larger than the sum of its proper divisors (36961647).

73704081 is a wasteful number, since it uses less digits than its factorization.

73704081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72092.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 73704081 is about 8585.1080948349. The cubic root of 73704081 is about 419.2732727454.

The spelling of 73704081 in words is "seventy-three million, seven hundred four thousand, eighty-one".