748646737 has 2 divisors, whose sum is σ = 748646738. Its totient is φ = 748646736.

The previous prime is 748646719. The next prime is 748646749. The reversal of 748646737 is 737646847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440328256 + 308318481 = 20984^2 + 17559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-748646737 is a prime.

It is not a weakly prime, because it can be changed into another prime (748646777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374323368 + 374323369.

It is an arithmetic number, because the mean of its divisors is an integer number (374323369).

Almost surely, 2^748646737 is an apocalyptic number.

It is an amenable number.

748646737 is a deficient number, since it is larger than the sum of its proper divisors (1).

748646737 is an equidigital number, since it uses as much as digits as its factorization.

748646737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 52.

The square root of 748646737 is about 27361.4096310844. The cubic root of 748646737 is about 908.0135136293.

The spelling of 748646737 in words is "seven hundred forty-eight million, six hundred forty-six thousand, seven hundred thirty-seven".