736073333021 has 6 divisors (see below), whose sum is σ = 797049822330. Its totient is φ = 679452307248.

The previous prime is 736073332991. The next prime is 736073333029. The reversal of 736073333021 is 120333370637.

It can be written as a sum of positive squares in 3 ways, for example, as 54228436900 + 681844896121 = 232870^2 + 825739^2 .

It is not a de Polignac number, because 736073333021 - 2¹⁰ = 736073331997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736073333029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2177731586 + ... + 2177731923.

It is an arithmetic number, because the mean of its divisors is an integer number (132841637055).

Almost surely, 2^736073333021 is an apocalyptic number.

It is an amenable number.

736073333021 is a deficient number, since it is larger than the sum of its proper divisors (60976489309).

736073333021 is a wasteful number, since it uses less digits than its factorization.

736073333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355463535 (or 4355463522 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 38.

The spelling of 736073333021 in words is "seven hundred thirty-six billion, seventy-three million, three hundred thirty-three thousand, twenty-one".