73768873 has 4 divisors (see below), whose sum is σ = 73897300. Its totient is φ = 73640448.

The previous prime is 73768867. The next prime is 73768879. The reversal of 73768873 is 37886737.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37886737 = 7 ⋅5412391.

It is an interprime number because it is at equal distance from previous prime (73768867) and next prime (73768879).

It can be written as a sum of positive squares in 2 ways, for example, as 73068304 + 700569 = 8548^2 + 837^2 .

It is a cyclic number.

It is not a de Polignac number, because 73768873 - 2⁵ = 73768841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73768879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63348 + ... + 64501.

It is an arithmetic number, because the mean of its divisors is an integer number (18474325).

Almost surely, 2^73768873 is an apocalyptic number.

It is an amenable number.

73768873 is a deficient number, since it is larger than the sum of its proper divisors (128427).

73768873 is a wasteful number, since it uses less digits than its factorization.

73768873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128426.

The product of its digits is 1185408, while the sum is 49.

The square root of 73768873 is about 8588.8807769115. The cubic root of 73768873 is about 419.3960954220.

The spelling of 73768873 in words is "seventy-three million, seven hundred sixty-eight thousand, eight hundred seventy-three".