74066666740 has 48 divisors (see below), whose sum is σ = 169955319744. Its totient is φ = 26889632000.

The previous prime is 74066666731. The next prime is 74066666753. The reversal of 74066666740 is 4766666047.

It is a happy number.

It is a super-2 number, since 2×74066666740² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137086 + ... + 408565.

It is an arithmetic number, because the mean of its divisors is an integer number (3540735828).

Almost surely, 2^74066666740 is an apocalyptic number.

It is an amenable number.

74066666740 is an abundant number, since it is smaller than the sum of its proper divisors (95888653004).

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

74066666740 is a wasteful number, since it uses less digits than its factorization.

74066666740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546288 (or 546286 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 52.

The spelling of 74066666740 in words is "seventy-four billion, sixty-six million, six hundred sixty-six thousand, seven hundred forty".