73505552741 has 4 divisors (see below), whose sum is σ = 73507779084. Its totient is φ = 73503326400.

The previous prime is 73505552723. The next prime is 73505552759. The reversal of 73505552741 is 14725550537.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14725550537 = 32771 ⋅449347.

It is an interprime number because it is at equal distance from previous prime (73505552723) and next prime (73505552759).

It can be written as a sum of positive squares in 2 ways, for example, as 17120675716 + 56384877025 = 130846^2 + 237455^2 .

It is a cyclic number.

It is not a de Polignac number, because 73505552741 - 2⁶ = 73505552677 is a prime.

It is a super-2 number, since 2×73505552741² (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 = 73505552692 and 73505552701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73505554741) 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, 1062890 + ... + 1129931.

It is an arithmetic number, because the mean of its divisors is an integer number (18376944771).

Almost surely, 2^73505552741 is an apocalyptic number.

It is an amenable number.

73505552741 is a deficient number, since it is larger than the sum of its proper divisors (2226343).

73505552741 is a wasteful number, since it uses less digits than its factorization.

73505552741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226342.

The product of its (nonzero) digits is 735000, while the sum is 44.

The spelling of 73505552741 in words is "seventy-three billion, five hundred five million, five hundred fifty-two thousand, seven hundred forty-one".