73121905358 has 8 divisors (see below), whose sum is σ = 109685006928. Its totient is φ = 36560236384.

The previous prime is 73121905277. The next prime is 73121905369. The reversal of 73121905358 is 85350912137.

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

It is a congruent number.

It is an unprimeable number.

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, 219866 + ... + 441117.

It is an arithmetic number, because the mean of its divisors is an integer number (13710625866).

Almost surely, 2^73121905358 is an apocalyptic number.

73121905358 is a deficient number, since it is larger than the sum of its proper divisors (36563101570).

73121905358 is a wasteful number, since it uses less digits than its factorization.

73121905358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716298.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 73121905358 in words is "seventy-three billion, one hundred twenty-one million, nine hundred five thousand, three hundred fifty-eight".