74289418132 has 6 divisors (see below), whose sum is σ = 130006481738. Its totient is φ = 37144709064.

The previous prime is 74289418109. The next prime is 74289418139. The reversal of 74289418132 is 23181498247.

It can be written as a sum of positive squares in only one way, i.e., 48556766736 + 25732651396 = 220356^2 + 160414^2 .

It is a super-2 number, since 2×74289418132² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74289418139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9286177263 + ... + 9286177270.

Almost surely, 2^74289418132 is an apocalyptic number.

It is an amenable number.

74289418132 is a deficient number, since it is larger than the sum of its proper divisors (55717063606).

74289418132 is a wasteful number, since it uses less digits than its factorization.

74289418132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18572354537 (or 18572354535 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The spelling of 74289418132 in words is "seventy-four billion, two hundred eighty-nine million, four hundred eighteen thousand, one hundred thirty-two".