73125003527761 has 4 divisors (see below), whose sum is σ = 73808414775792. Its totient is φ = 72441592279732.

The previous prime is 73125003527753. The next prime is 73125003527777. The reversal of 73125003527761 is 16772530052137.

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 73125003527761 - 2³ = 73125003527753 is a prime.

It is a super-2 number, since 2×73125003527761² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73125003527731) 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, 341705623855 + ... + 341705624068.

It is an arithmetic number, because the mean of its divisors is an integer number (18452103693948).

Almost surely, 2^{73125003527761} is an apocalyptic number.

It is an amenable number.

73125003527761 is a deficient number, since it is larger than the sum of its proper divisors (683411248031).

73125003527761 is a wasteful number, since it uses less digits than its factorization.

73125003527761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683411248030.

The product of its (nonzero) digits is 1852200, while the sum is 49.

Adding to 73125003527761 its reverse (16772530052137), we get a palindrome (89897533579898).

The spelling of 73125003527761 in words is "seventy-three trillion, one hundred twenty-five billion, three million, five hundred twenty-seven thousand, seven hundred sixty-one".