73973096391 has 16 divisors (see below), whose sum is σ = 99239616000. Its totient is φ = 49011096288.

The previous prime is 73973096357. The next prime is 73973096399. The reversal of 73973096391 is 19369037937.

It is not a de Polignac number, because 73973096391 - 2¹¹ = 73973094343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73973096399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3772270 + ... + 3791828.

It is an arithmetic number, because the mean of its divisors is an integer number (6202476000).

Almost surely, 2^73973096391 is an apocalyptic number.

73973096391 is a deficient number, since it is larger than the sum of its proper divisors (25266519609).

73973096391 is a wasteful number, since it uses less digits than its factorization.

73973096391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27278.

The product of its (nonzero) digits is 5786802, while the sum is 57.

The spelling of 73973096391 in words is "seventy-three billion, nine hundred seventy-three million, ninety-six thousand, three hundred ninety-one".