73711897057 has 4 divisors (see below), whose sum is σ = 74082308800. Its totient is φ = 73341485316.

The previous prime is 73711897003. The next prime is 73711897067. The reversal of 73711897057 is 75079811737.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73711897057 - 2¹¹ = 73711895009 is a prime.

It is a super-2 number, since 2×73711897057² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 73711896989 and 73711897007.

It is not an unprimeable number, because it can be changed into a prime (73711897067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185205573 + ... + 185205970.

It is an arithmetic number, because the mean of its divisors is an integer number (18520577200).

Almost surely, 2^73711897057 is an apocalyptic number.

It is an amenable number.

73711897057 is a deficient number, since it is larger than the sum of its proper divisors (370411743).

73711897057 is a wasteful number, since it uses less digits than its factorization.

73711897057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370411742.

The product of its (nonzero) digits is 2593080, while the sum is 55.

The spelling of 73711897057 in words is "seventy-three billion, seven hundred eleven million, eight hundred ninety-seven thousand, fifty-seven".