73789991742 has 64 divisors (see below), whose sum is σ = 149828963328. Its totient is φ = 24225600000.

The previous prime is 73789991719. The next prime is 73789991783. The reversal of 73789991742 is 24719998737.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71570767 + ... + 71571797.

It is an arithmetic number, because the mean of its divisors is an integer number (2341077552).

Almost surely, 2^73789991742 is an apocalyptic number.

73789991742 is an abundant number, since it is smaller than the sum of its proper divisors (76038971586).

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

73789991742 is a wasteful number, since it uses less digits than its factorization.

73789991742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785.

The product of its digits is 48009024, while the sum is 66.

The spelling of 73789991742 in words is "seventy-three billion, seven hundred eighty-nine million, nine hundred ninety-one thousand, seven hundred forty-two".