73211442 has 16 divisors (see below), whose sum is σ = 146512800. Its totient is φ = 24388832.

The previous prime is 73211431. The next prime is 73211443. The reversal of 73211442 is 24411237.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73211443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11809 + ... + 16907.

It is an arithmetic number, because the mean of its divisors is an integer number (9157050).

Almost surely, 2^73211442 is an apocalyptic number.

73211442 is an abundant number, since it is smaller than the sum of its proper divisors (73301358).

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

73211442 is a wasteful number, since it uses less digits than its factorization.

73211442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497.

The product of its digits is 1344, while the sum is 24.

The square root of 73211442 is about 8556.3685053883. The cubic root of 73211442 is about 418.3370411076.

Adding to 73211442 its reverse (24411237), we get a palindrome (97622679).

The spelling of 73211442 in words is "seventy-three million, two hundred eleven thousand, four hundred forty-two".