73936042 has 4 divisors (see below), whose sum is σ = 110904066. Its totient is φ = 36968020.

The previous prime is 73936039. The next prime is 73936061. The reversal of 73936042 is 24063937.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24063937 = 19 ⋅1266523.

It can be written as a sum of positive squares in only one way, i.e., 60824401 + 13111641 = 7799^2 + 3621^2 .

It is a junction number, because it is equal to n+sod(n) for n = 73935989 and 73936007.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 18484009 + ... + 18484012.

Almost surely, 2^73936042 is an apocalyptic number.

73936042 is a deficient number, since it is larger than the sum of its proper divisors (36968024).

73936042 is a wasteful number, since it uses less digits than its factorization.

73936042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36968023.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 73936042 is about 8598.6069802032. The cubic root of 73936042 is about 419.7126568224.

Adding to 73936042 its reverse (24063937), we get a palindrome (97999979).

The spelling of 73936042 in words is "seventy-three million, nine hundred thirty-six thousand, forty-two".