73990687205 has 64 divisors (see below), whose sum is σ = 101861867520. Its totient is φ = 51253171200.

The previous prime is 73990687189. The next prime is 73990687207. The reversal of 73990687205 is 50278609937.

It is not a de Polignac number, because 73990687205 - 2⁴ = 73990687189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73990687207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7677740 + ... + 7687370.

It is an arithmetic number, because the mean of its divisors is an integer number (1591591680).

Almost surely, 2^73990687205 is an apocalyptic number.

It is an amenable number.

73990687205 is a deficient number, since it is larger than the sum of its proper divisors (27871180315).

73990687205 is a wasteful number, since it uses less digits than its factorization.

73990687205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9810.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 73990687205 in words is "seventy-three billion, nine hundred ninety million, six hundred eighty-seven thousand, two hundred five".