74666740734 has 24 divisors (see below), whose sum is σ = 167769714840. Its totient is φ = 24888913416.

The previous prime is 74666740693. The next prime is 74666740747. The reversal of 74666740734 is 43704766647.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 76817149 + ... + 76818120.

It is an arithmetic number, because the mean of its divisors is an integer number (6990404785).

Almost surely, 2^74666740734 is an apocalyptic number.

74666740734 is an abundant number, since it is smaller than the sum of its proper divisors (93102974106).

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

74666740734 is a wasteful number, since it uses less digits than its factorization.

74666740734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153635286 (or 153635274 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 54.

The spelling of 74666740734 in words is "seventy-four billion, six hundred sixty-six million, seven hundred forty thousand, seven hundred thirty-four".