749505937 has 2 divisors, whose sum is σ = 749505938. Its totient is φ = 749505936.

The previous prime is 749505919. The next prime is 749505947. The reversal of 749505937 is 739505947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697435281 + 52070656 = 26409^2 + 7216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-749505937 is a prime.

It is equal to p_38678935 and since 749505937 and 38678935 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (749505907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374752968 + 374752969.

It is an arithmetic number, because the mean of its divisors is an integer number (374752969).

Almost surely, 2^749505937 is an apocalyptic number.

It is an amenable number.

749505937 is a deficient number, since it is larger than the sum of its proper divisors (1).

749505937 is an equidigital number, since it uses as much as digits as its factorization.

749505937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The square root of 749505937 is about 27377.1060742366. The cubic root of 749505937 is about 908.3607476917.

The spelling of 749505937 in words is "seven hundred forty-nine million, five hundred five thousand, nine hundred thirty-seven".