74213117402 has 16 divisors (see below), whose sum is σ = 113202945024. Its totient is φ = 36479430000.

The previous prime is 74213117401. The next prime is 74213117477. The reversal of 74213117402 is 20471131247.

It is not an unprimeable number, because it can be changed into a prime (74213117401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82127 + ... + 393917.

It is an arithmetic number, because the mean of its divisors is an integer number (7075184064).

Almost surely, 2^74213117402 is an apocalyptic number.

74213117402 is a deficient number, since it is larger than the sum of its proper divisors (38989827622).

74213117402 is a wasteful number, since it uses less digits than its factorization.

74213117402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313805.

The product of its (nonzero) digits is 9408, while the sum is 32.

Adding to 74213117402 its reverse (20471131247), we get a palindrome (94684248649).

The spelling of 74213117402 in words is "seventy-four billion, two hundred thirteen million, one hundred seventeen thousand, four hundred two".