73147422 has 16 divisors (see below), whose sum is σ = 146440080. Its totient is φ = 24358272.

The previous prime is 73147411. The next prime is 73147423. The reversal of 73147422 is 22474137.

It is a self number, because there is not a number n which added to its sum of digits gives 73147422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73147423) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1158 + ... + 12150.

It is an arithmetic number, because the mean of its divisors is an integer number (9152505).

Almost surely, 2^73147422 is an apocalyptic number.

73147422 is an abundant number, since it is smaller than the sum of its proper divisors (73292658).

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

73147422 is a wasteful number, since it uses less digits than its factorization.

73147422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12107.

The product of its digits is 9408, while the sum is 30.

The square root of 73147422 is about 8552.6266140876. The cubic root of 73147422 is about 418.2150667870.

The spelling of 73147422 in words is "seventy-three million, one hundred forty-seven thousand, four hundred twenty-two".