73613242 has 4 divisors (see below), whose sum is σ = 110419866. Its totient is φ = 36806620.

The previous prime is 73613219. The next prime is 73613257. The reversal of 73613242 is 24231637.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24231637 = 727 ⋅33331.

It can be written as a sum of positive squares in only one way, i.e., 64786401 + 8826841 = 8049^2 + 2971^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 73613242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18403309 + ... + 18403312.

Almost surely, 2^73613242 is an apocalyptic number.

73613242 is a deficient number, since it is larger than the sum of its proper divisors (36806624).

73613242 is a wasteful number, since it uses less digits than its factorization.

73613242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36806623.

The product of its digits is 6048, while the sum is 28.

The square root of 73613242 is about 8579.8159653923. The cubic root of 73613242 is about 419.1009529228.

Adding to 73613242 its reverse (24231637), we get a palindrome (97844879).

The spelling of 73613242 in words is "seventy-three million, six hundred thirteen thousand, two hundred forty-two".