72283071737 has 2 divisors, whose sum is σ = 72283071738. Its totient is φ = 72283071736.

The previous prime is 72283071703. The next prime is 72283071787. The reversal of 72283071737 is 73717038227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71318907136 + 964164601 = 267056^2 + 31051^2 .

It is a cyclic number.

It is not a de Polignac number, because 72283071737 - 2²⁰ = 72282023161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72283071691 and 72283071700.

It is not a weakly prime, because it can be changed into another prime (72283071787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36141535868 + 36141535869.

It is an arithmetic number, because the mean of its divisors is an integer number (36141535869).

Almost surely, 2^72283071737 is an apocalyptic number.

It is an amenable number.

72283071737 is a deficient number, since it is larger than the sum of its proper divisors (1).

72283071737 is an equidigital number, since it uses as much as digits as its factorization.

72283071737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691488, while the sum is 47.

The spelling of 72283071737 in words is "seventy-two billion, two hundred eighty-three million, seventy-one thousand, seven hundred thirty-seven".