73216542 has 32 divisors (see below), whose sum is σ = 168844032. Its totient is φ = 20732544.

The previous prime is 73216537. The next prime is 73216589. The reversal of 73216542 is 24561237.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 2968 + ... + 12459.

It is an arithmetic number, because the mean of its divisors is an integer number (5276376).

Almost surely, 2^73216542 is an apocalyptic number.

73216542 is an abundant number, since it is smaller than the sum of its proper divisors (95627490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73216542 is a wasteful number, since it uses less digits than its factorization.

73216542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15552.

The product of its digits is 10080, while the sum is 30.

The square root of 73216542 is about 8556.6665238281. Note that the first 3 decimals coincide. The cubic root of 73216542 is about 418.3467548414.

Adding to 73216542 its reverse (24561237), we get a palindrome (97777779).

The spelling of 73216542 in words is "seventy-three million, two hundred sixteen thousand, five hundred forty-two".