74313213122 has 4 divisors (see below), whose sum is σ = 111469819686. Its totient is φ = 37156606560.

The previous prime is 74313213119. The next prime is 74313213127. The reversal of 74313213122 is 22131231347.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 72997772761 + 1315440361 = 270181^2 + 36269^2 .

It is not an unprimeable number, because it can be changed into a prime (74313213127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18578303279 + ... + 18578303282.

Almost surely, 2^74313213122 is an apocalyptic number.

74313213122 is a deficient number, since it is larger than the sum of its proper divisors (37156606564).

74313213122 is a wasteful number, since it uses less digits than its factorization.

74313213122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37156606563.

The product of its digits is 6048, while the sum is 29.

Adding to 74313213122 its reverse (22131231347), we get a palindrome (96444444469).

The spelling of 74313213122 in words is "seventy-four billion, three hundred thirteen million, two hundred thirteen thousand, one hundred twenty-two".