744131537 has 2 divisors, whose sum is σ = 744131538. Its totient is φ = 744131536.

The previous prime is 744131441. The next prime is 744131567. The reversal of 744131537 is 735131447.

744131537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 670240321 + 73891216 = 25889^2 + 8596^2 .

It is an emirp because it is prime and its reverse (735131447) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 744131537 - 2⁸ = 744131281 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 744131497 and 744131506.

It is not a weakly prime, because it can be changed into another prime (744131567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372065768 + 372065769.

It is an arithmetic number, because the mean of its divisors is an integer number (372065769).

Almost surely, 2^744131537 is an apocalyptic number.

It is an amenable number.

744131537 is a deficient number, since it is larger than the sum of its proper divisors (1).

744131537 is an equidigital number, since it uses as much as digits as its factorization.

744131537 is an odious number, because the sum of its binary digits is odd.

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

The square root of 744131537 is about 27278.7744776044. The cubic root of 744131537 is about 906.1843764959.

The spelling of 744131537 in words is "seven hundred forty-four million, one hundred thirty-one thousand, five hundred thirty-seven".