742506137 has 2 divisors, whose sum is σ = 742506138. Its totient is φ = 742506136.

The previous prime is 742506133. The next prime is 742506211. The reversal of 742506137 is 731605247.

742506137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376204816 + 366301321 = 19396^2 + 19139^2 .

It is a cyclic number.

It is not a de Polignac number, because 742506137 - 2² = 742506133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 742506097 and 742506106.

It is not a weakly prime, because it can be changed into another prime (742506133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371253068 + 371253069.

It is an arithmetic number, because the mean of its divisors is an integer number (371253069).

Almost surely, 2^742506137 is an apocalyptic number.

It is an amenable number.

742506137 is a deficient number, since it is larger than the sum of its proper divisors (1).

742506137 is an equidigital number, since it uses as much as digits as its factorization.

742506137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 742506137 is about 27248.9657968885. The cubic root of 742506137 is about 905.5241053214.

The spelling of 742506137 in words is "seven hundred forty-two million, five hundred six thousand, one hundred thirty-seven".