73703686158 has 16 divisors (see below), whose sum is σ = 163785969360. Its totient is φ = 24567895368.

The previous prime is 73703686127. The next prime is 73703686193. The reversal of 73703686158 is 85168630737.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1364883077 = 73703686158 / (7 + 3 + 7 + 0 + 3 + 6 + 8 + 6 + 1 + 5 + 8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682441485 + ... + 682441592.

It is an arithmetic number, because the mean of its divisors is an integer number (10236623085).

Almost surely, 2^73703686158 is an apocalyptic number.

73703686158 is an abundant number, since it is smaller than the sum of its proper divisors (90082283202).

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

73703686158 is a wasteful number, since it uses less digits than its factorization.

73703686158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364883088 (or 1364883082 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 73703686158 in words is "seventy-three billion, seven hundred three million, six hundred eighty-six thousand, one hundred fifty-eight".