736745137 has 2 divisors, whose sum is σ = 736745138. Its totient is φ = 736745136.

The previous prime is 736745111. The next prime is 736745143. The reversal of 736745137 is 731547637.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 579894561 + 156850576 = 24081^2 + 12524^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-736745137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 736745093 and 736745102.

It is not a weakly prime, because it can be changed into another prime (736745437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 368372568 + 368372569.

It is an arithmetic number, because the mean of its divisors is an integer number (368372569).

Almost surely, 2^736745137 is an apocalyptic number.

It is an amenable number.

736745137 is a deficient number, since it is larger than the sum of its proper divisors (1).

736745137 is an equidigital number, since it uses as much as digits as its factorization.

736745137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 370440, while the sum is 43.

The square root of 736745137 is about 27143.0495154837. The cubic root of 736745137 is about 903.1760776929.

The spelling of 736745137 in words is "seven hundred thirty-six million, seven hundred forty-five thousand, one hundred thirty-seven".