74806389743 has 8 divisors (see below), whose sum is σ = 75319578000. Its totient is φ = 74293350208.

The previous prime is 74806389719. The next prime is 74806389797. The reversal of 74806389743 is 34798360847.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74806389743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74806389443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088480 + ... + 1155162.

It is an arithmetic number, because the mean of its divisors is an integer number (9414947250).

Almost surely, 2^74806389743 is an apocalyptic number.

74806389743 is a deficient number, since it is larger than the sum of its proper divisors (513188257).

74806389743 is a wasteful number, since it uses less digits than its factorization.

74806389743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74361.

The product of its (nonzero) digits is 24385536, while the sum is 59.

The spelling of 74806389743 in words is "seventy-four billion, eight hundred six million, three hundred eighty-nine thousand, seven hundred forty-three".