73442552 has 8 divisors (see below), whose sum is σ = 137704800. Its totient is φ = 36721272.

The previous prime is 73442539. The next prime is 73442561. The reversal of 73442552 is 25524437.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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, 4590152 + ... + 4590167.

It is an arithmetic number, because the mean of its divisors is an integer number (17213100).

Almost surely, 2^73442552 is an apocalyptic number.

It is an amenable number.

73442552 is a deficient number, since it is larger than the sum of its proper divisors (64262248).

73442552 is a wasteful number, since it uses less digits than its factorization.

73442552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180325 (or 9180321 counting only the distinct ones).

The product of its digits is 33600, while the sum is 32.

The square root of 73442552 is about 8569.8630094069. The cubic root of 73442552 is about 418.7767734571.

Adding to 73442552 its reverse (25524437), we get a palindrome (98966989).

The spelling of 73442552 in words is "seventy-three million, four hundred forty-two thousand, five hundred fifty-two".