73073039 has 16 divisors (see below), whose sum is σ = 82723872. Its totient is φ = 64084608.

The previous prime is 73073017. The next prime is 73073053. The reversal of 73073039 is 93037037.

It is a cyclic number.

It is not a de Polignac number, because 73073039 - 2¹² = 73068943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73072996 and 73073014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73073009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18917 + ... + 22449.

It is an arithmetic number, because the mean of its divisors is an integer number (5170242).

Almost surely, 2^73073039 is an apocalyptic number.

73073039 is a deficient number, since it is larger than the sum of its proper divisors (9650833).

73073039 is a wasteful number, since it uses less digits than its factorization.

73073039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3626.

The product of its (nonzero) digits is 11907, while the sum is 32.

The square root of 73073039 is about 8548.2769608852. The cubic root of 73073039 is about 418.0732589103.

The spelling of 73073039 in words is "seventy-three million, seventy-three thousand, thirty-nine".