748540733 has 2 divisors, whose sum is σ = 748540734. Its totient is φ = 748540732.

The previous prime is 748540697. The next prime is 748540763. The reversal of 748540733 is 337045847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 699232249 + 49308484 = 26443^2 + 7022^2 .

It is an emirp because it is prime and its reverse (337045847) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 748540733 - 2⁶ = 748540669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (748540763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374270366 + 374270367.

It is an arithmetic number, because the mean of its divisors is an integer number (374270367).

Almost surely, 2^748540733 is an apocalyptic number.

It is an amenable number.

748540733 is a deficient number, since it is larger than the sum of its proper divisors (1).

748540733 is an equidigital number, since it uses as much as digits as its factorization.

748540733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 41.

The square root of 748540733 is about 27359.4724547094. The cubic root of 748540733 is about 907.9706551385.

The spelling of 748540733 in words is "seven hundred forty-eight million, five hundred forty thousand, seven hundred thirty-three".