73538943 has 8 divisors (see below), whose sum is σ = 100702128. Its totient is φ = 47700864.

The previous prime is 73538939. The next prime is 73539007. The reversal of 73538943 is 34983537.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73538943 - 2² = 73538939 is a prime.

It is a super-2 number, since 2×73538943² = 10815952275114498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73538895 and 73538904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73538903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331146 + ... + 331367.

It is an arithmetic number, because the mean of its divisors is an integer number (12587766).

Almost surely, 2^73538943 is an apocalyptic number.

73538943 is a deficient number, since it is larger than the sum of its proper divisors (27163185).

73538943 is a wasteful number, since it uses less digits than its factorization.

73538943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662553.

The product of its digits is 272160, while the sum is 42.

The square root of 73538943 is about 8575.4850008615. The cubic root of 73538943 is about 418.9599037356.

The spelling of 73538943 in words is "seventy-three million, five hundred thirty-eight thousand, nine hundred forty-three".