74674740068 has 12 divisors (see below), whose sum is σ = 130699617132. Its totient is φ = 37331992320.

The previous prime is 74674740061. The next prime is 74674740121. The reversal of 74674740068 is 86004747647.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 64845603904 + 9829136164 = 254648^2 + 99142^2 .

It is not an unprimeable number, because it can be changed into a prime (74674740061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1313105 + ... + 1368792.

It is an arithmetic number, because the mean of its divisors is an integer number (10891634761).

Almost surely, 2^74674740068 is an apocalyptic number.

It is an amenable number.

74674740068 is a deficient number, since it is larger than the sum of its proper divisors (56024877064).

74674740068 is a wasteful number, since it uses less digits than its factorization.

74674740068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688862 (or 2688860 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 53.

The spelling of 74674740068 in words is "seventy-four billion, six hundred seventy-four million, seven hundred forty thousand, sixty-eight".