73066649 has 8 divisors (see below), whose sum is σ = 75178080. Its totient is φ = 70985376.

The previous prime is 73066627. The next prime is 73066667. The reversal of 73066649 is 94666037.

It is a happy number.

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 73066649 - 2⁸ = 73066393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73066549) 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 7 ways as a sum of consecutive naturals, for example, 2579 + ... + 12360.

It is an arithmetic number, because the mean of its divisors is an integer number (9397260).

Almost surely, 2^73066649 is an apocalyptic number.

It is an amenable number.

73066649 is a deficient number, since it is larger than the sum of its proper divisors (2111431).

73066649 is a wasteful number, since it uses less digits than its factorization.

73066649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 73066649 is about 8547.9031931814. The cubic root of 73066649 is about 418.0610721721.

The spelling of 73066649 in words is "seventy-three million, sixty-six thousand, six hundred forty-nine".