74806389742 has 16 divisors (see below), whose sum is σ = 128437747200. Its totient is φ = 32010325848.

The previous prime is 74806389719. The next prime is 74806389797. The reversal of 74806389742 is 24798360847.

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 7 ways as a sum of consecutive naturals, for example, 4120242 + ... + 4138357.

It is an arithmetic number, because the mean of its divisors is an integer number (8027359200).

Almost surely, 2^74806389742 is an apocalyptic number.

74806389742 is a deficient number, since it is larger than the sum of its proper divisors (53631357458).

74806389742 is a wasteful number, since it uses less digits than its factorization.

74806389742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259255.

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 74806389742 in words is "seventy-four billion, eight hundred six million, three hundred eighty-nine thousand, seven hundred forty-two".