74145354768 has 60 divisors (see below), whose sum is σ = 212329706160. Its totient is φ = 24140346048.

The previous prime is 74145354737. The next prime is 74145354799. The reversal of 74145354768 is 86745354147.

74145354768 is a `hidden beast` number, since 7 + 4 + 1 + 4 + 535 + 47 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (74145354737) and next prime (74145354799).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5980998 + ... + 5993381.

It is an arithmetic number, because the mean of its divisors is an integer number (3538828436).

Almost surely, 2^74145354768 is an apocalyptic number.

It is an amenable number.

74145354768 is an abundant number, since it is smaller than the sum of its proper divisors (138184351392).

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

74145354768 is a wasteful number, since it uses less digits than its factorization.

74145354768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11974436 (or 11974427 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The spelling of 74145354768 in words is "seventy-four billion, one hundred forty-five million, three hundred fifty-four thousand, seven hundred sixty-eight".