73064881 has 4 divisors (see below), whose sum is σ = 73082992. Its totient is φ = 73046772.

The previous prime is 73064863. The next prime is 73064917. The reversal of 73064881 is 18846037.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73064881 - 2¹¹ = 73062833 is a prime.

It is a super-2 number, since 2×73064881² = 10676953671088322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73064881.

It is not an unprimeable number, because it can be changed into a prime (73064821) 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, 46 + ... + 12088.

It is an arithmetic number, because the mean of its divisors is an integer number (18270748).

Almost surely, 2^73064881 is an apocalyptic number.

It is an amenable number.

73064881 is a deficient number, since it is larger than the sum of its proper divisors (18111).

73064881 is a wasteful number, since it uses less digits than its factorization.

73064881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18110.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 73064881 is about 8547.7997753808. The cubic root of 73064881 is about 418.0577001916.

The spelling of 73064881 in words is "seventy-three million, sixty-four thousand, eight hundred eighty-one".