73681485 has 16 divisors (see below), whose sum is σ = 124825536. Its totient is φ = 36985088.

The previous prime is 73681481. The next prime is 73681511. The reversal of 73681485 is 58418637.

It is a cyclic number.

It is not a de Polignac number, because 73681485 - 2² = 73681481 is a prime.

It is a super-2 number, since 2×73681485² = 10857922463610450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73681481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 144219 + ... + 144728.

It is an arithmetic number, because the mean of its divisors is an integer number (7801596).

Almost surely, 2^73681485 is an apocalyptic number.

It is an amenable number.

73681485 is a deficient number, since it is larger than the sum of its proper divisors (51144051).

73681485 is a wasteful number, since it uses less digits than its factorization.

73681485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288972.

The product of its digits is 161280, while the sum is 42.

The square root of 73681485 is about 8583.7919942179. The cubic root of 73681485 is about 419.2304218066.

The spelling of 73681485 in words is "seventy-three million, six hundred eighty-one thousand, four hundred eighty-five".