74131242702 has 16 divisors (see below), whose sum is σ = 161740893312. Its totient is φ = 22464012920.

The previous prime is 74131242673. The next prime is 74131242743. The reversal of 74131242702 is 20724213147.

It is a super-2 number, since 2×74131242702² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561600258 + ... + 561600389.

It is an arithmetic number, because the mean of its divisors is an integer number (10108805832).

Almost surely, 2^74131242702 is an apocalyptic number.

74131242702 is an abundant number, since it is smaller than the sum of its proper divisors (87609650610).

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

74131242702 is a wasteful number, since it uses less digits than its factorization.

74131242702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123200663.

The product of its (nonzero) digits is 18816, while the sum is 33.

Adding to 74131242702 its reverse (20724213147), we get a palindrome (94855455849).

The spelling of 74131242702 in words is "seventy-four billion, one hundred thirty-one million, two hundred forty-two thousand, seven hundred two".