74340186472 has 16 divisors (see below), whose sum is σ = 139767658560. Its totient is φ = 37068810864.

The previous prime is 74340186457. The next prime is 74340186491. The reversal of 74340186472 is 27468104347.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12657178 + ... + 12663049.

It is an arithmetic number, because the mean of its divisors is an integer number (8735478660).

Almost surely, 2^74340186472 is an apocalyptic number.

It is an amenable number.

74340186472 is a deficient number, since it is larger than the sum of its proper divisors (65427472088).

74340186472 is a wasteful number, since it uses less digits than its factorization.

74340186472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25320600 (or 25320596 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 46.

The spelling of 74340186472 in words is "seventy-four billion, three hundred forty million, one hundred eighty-six thousand, four hundred seventy-two".