73768039 has 4 divisors (see below), whose sum is σ = 74444920. Its totient is φ = 73091160.

The previous prime is 73768031. The next prime is 73768043. The reversal of 73768039 is 93086737.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93086737 = 709 ⋅131293.

It is a cyclic number.

It is not a de Polignac number, because 73768039 - 2³ = 73768031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73767986 and 73768004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73768031) 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, 338277 + ... + 338494.

It is an arithmetic number, because the mean of its divisors is an integer number (18611230).

Almost surely, 2^73768039 is an apocalyptic number.

73768039 is a deficient number, since it is larger than the sum of its proper divisors (676881).

73768039 is a wasteful number, since it uses less digits than its factorization.

73768039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676880.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 73768039 is about 8588.8322256288. The cubic root of 73768039 is about 419.3945149105.

The spelling of 73768039 in words is "seventy-three million, seven hundred sixty-eight thousand, thirty-nine".