748646749 has 2 divisors, whose sum is σ = 748646750. Its totient is φ = 748646748.

The previous prime is 748646737. The next prime is 748646761. The reversal of 748646749 is 947646847.

It is a balanced prime because it is at equal distance from previous prime (748646737) and next prime (748646761).

It can be written as a sum of positive squares in only one way, i.e., 660849849 + 87796900 = 25707^2 + 9370^2 .

It is a cyclic number.

It is not a de Polignac number, because 748646749 - 2⁹ = 748646237 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 748646749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748646719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374323374 + 374323375.

It is an arithmetic number, because the mean of its divisors is an integer number (374323375).

Almost surely, 2^748646749 is an apocalyptic number.

It is an amenable number.

748646749 is a deficient number, since it is larger than the sum of its proper divisors (1).

748646749 is an equidigital number, since it uses as much as digits as its factorization.

748646749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 55.

The square root of 748646749 is about 27361.4098503714. The cubic root of 748646749 is about 908.0135184808.

The spelling of 748646749 in words is "seven hundred forty-eight million, six hundred forty-six thousand, seven hundred forty-nine".