74505911742 has 24 divisors (see below), whose sum is σ = 161531514144. Its totient is φ = 24819605664.

The previous prime is 74505911699. The next prime is 74505911761. The reversal of 74505911742 is 24711950547.

74505911742 is a `hidden beast` number, since 7 + 4 + 5 + 0 + 591 + 17 + 42 = 666.

It is a super-2 number, since 2×74505911742² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1278903 + ... + 1335890.

It is an arithmetic number, because the mean of its divisors is an integer number (6730479756).

Almost surely, 2^74505911742 is an apocalyptic number.

74505911742 is an abundant number, since it is smaller than the sum of its proper divisors (87025602402).

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

74505911742 is a wasteful number, since it uses less digits than its factorization.

74505911742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616384 (or 2616381 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 74505911742 in words is "seventy-four billion, five hundred five million, nine hundred eleven thousand, seven hundred forty-two".