73243042 has 8 divisors (see below), whose sum is σ = 109960236. Its totient is φ = 36589632.

The previous prime is 73243039. The next prime is 73243057. The reversal of 73243042 is 24034237.

It can be written as a sum of positive squares in 2 ways, for example, as 69239041 + 4004001 = 8321^2 + 2001^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 73242998 and 73243016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12963 + ... + 17734.

Almost surely, 2^73243042 is an apocalyptic number.

73243042 is a deficient number, since it is larger than the sum of its proper divisors (36717194).

73243042 is a wasteful number, since it uses less digits than its factorization.

73243042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31892.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 73243042 is about 8558.2148839580. The cubic root of 73243042 is about 418.3972209039.

Adding to 73243042 its reverse (24034237), we get a palindrome (97277279).

The spelling of 73243042 in words is "seventy-three million, two hundred forty-three thousand, forty-two".