73330042 has 4 divisors (see below), whose sum is σ = 109995066. Its totient is φ = 36665020.

The previous prime is 73330021. The next prime is 73330051. The reversal of 73330042 is 24003337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24003337 = 17 ⋅1411961.

It can be written as a sum of positive squares in only one way, i.e., 45441081 + 27888961 = 6741^2 + 5281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73329995 and 73330022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18332509 + ... + 18332512.

Almost surely, 2^73330042 is an apocalyptic number.

73330042 is a deficient number, since it is larger than the sum of its proper divisors (36665024).

73330042 is a wasteful number, since it uses less digits than its factorization.

73330042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36665023.

The product of its (nonzero) digits is 1512, while the sum is 22.

The square root of 73330042 is about 8563.2962111561. The cubic root of 73330042 is about 418.5628164072.

Adding to 73330042 its reverse (24003337), we get a palindrome (97333379).

The spelling of 73330042 in words is "seventy-three million, three hundred thirty thousand, forty-two".