741320821273 has 4 divisors (see below), whose sum is σ = 741391914340. Its totient is φ = 741249728208.

The previous prime is 741320821253. The next prime is 741320821279. The reversal of 741320821273 is 372128023147.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 737585533584 + 3735287689 = 858828^2 + 61117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-741320821273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (741320821279) 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, 35530890 + ... + 35551747.

It is an arithmetic number, because the mean of its divisors is an integer number (185347978585).

Almost surely, 2^741320821273 is an apocalyptic number.

It is an amenable number.

741320821273 is a deficient number, since it is larger than the sum of its proper divisors (71093067).

741320821273 is a wasteful number, since it uses less digits than its factorization.

741320821273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71093066.

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 741320821273 in words is "seven hundred forty-one billion, three hundred twenty million, eight hundred twenty-one thousand, two hundred seventy-three".