73140433422 has 32 divisors (see below), whose sum is σ = 167781691392. Its totient is φ = 20821821984.

The previous prime is 73140433397. The next prime is 73140433423. The reversal of 73140433422 is 22433404137.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73140433423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3131758 + ... + 3155025.

It is an arithmetic number, because the mean of its divisors is an integer number (5243177856).

Almost surely, 2^73140433422 is an apocalyptic number.

73140433422 is an abundant number, since it is smaller than the sum of its proper divisors (94641257970).

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

73140433422 is a wasteful number, since it uses less digits than its factorization.

73140433422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287072.

The product of its (nonzero) digits is 48384, while the sum is 33.

Adding to 73140433422 its reverse (22433404137), we get a palindrome (95573837559).

The spelling of 73140433422 in words is "seventy-three billion, one hundred forty million, four hundred thirty-three thousand, four hundred twenty-two".