73809687142 has 8 divisors (see below), whose sum is σ = 111173927832. Its totient is φ = 36751711200.

The previous prime is 73809687139. The next prime is 73809687143. The reversal of 73809687142 is 24178690837.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73809687143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76565584 + ... + 76566547.

It is an arithmetic number, because the mean of its divisors is an integer number (13896740979).

Almost surely, 2^73809687142 is an apocalyptic number.

73809687142 is a deficient number, since it is larger than the sum of its proper divisors (37364240690).

73809687142 is a wasteful number, since it uses less digits than its factorization.

73809687142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153132374.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 73809687142 in words is "seventy-three billion, eight hundred nine million, six hundred eighty-seven thousand, one hundred forty-two".