73940773571 has 6 divisors (see below), whose sum is σ = 86012736660. Its totient is φ = 63377805876.

The previous prime is 73940773553. The next prime is 73940773591. The reversal of 73940773571 is 17537704937.

It is not a de Polignac number, because 73940773571 - 2²⁶ = 73873664707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73940773591) 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 5 ways as a sum of consecutive naturals, for example, 754497641 + ... + 754497738.

It is an arithmetic number, because the mean of its divisors is an integer number (14335456110).

Almost surely, 2^73940773571 is an apocalyptic number.

73940773571 is a deficient number, since it is larger than the sum of its proper divisors (12071963089).

73940773571 is a wasteful number, since it uses less digits than its factorization.

73940773571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508995393 (or 1508995386 counting only the distinct ones).

The product of its (nonzero) digits is 3889620, while the sum is 53.

The spelling of 73940773571 in words is "seventy-three billion, nine hundred forty million, seven hundred seventy-three thousand, five hundred seventy-one".