73138411 has 4 divisors (see below), whose sum is σ = 73714432. Its totient is φ = 72562392.

The previous prime is 73138363. The next prime is 73138421. The reversal of 73138411 is 11483137.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11483137 = 157 ⋅73141.

It is a cyclic number.

It is not a de Polignac number, because 73138411 - 2¹³ = 73130219 is a prime.

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 73138411.

It is not an unprimeable number, because it can be changed into a prime (73138421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287820 + ... + 288073.

It is an arithmetic number, because the mean of its divisors is an integer number (18428608).

Almost surely, 2^73138411 is an apocalyptic number.

73138411 is a deficient number, since it is larger than the sum of its proper divisors (576021).

73138411 is a wasteful number, since it uses less digits than its factorization.

73138411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576020.

The product of its digits is 2016, while the sum is 28.

The square root of 73138411 is about 8552.0998006338. The cubic root of 73138411 is about 418.1978928360.

The spelling of 73138411 in words is "seventy-three million, one hundred thirty-eight thousand, four hundred eleven".