749748053 has 2 divisors, whose sum is σ = 749748054. Its totient is φ = 749748052.

The previous prime is 749748007. The next prime is 749748067. The reversal of 749748053 is 350847947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 688642564 + 61105489 = 26242^2 + 7817^2 .

It is a cyclic number.

It is not a de Polignac number, because 749748053 - 2²⁸ = 481312597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 749747989 and 749748007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (749748073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374874026 + 374874027.

It is an arithmetic number, because the mean of its divisors is an integer number (374874027).

Almost surely, 2^749748053 is an apocalyptic number.

It is an amenable number.

749748053 is a deficient number, since it is larger than the sum of its proper divisors (1).

749748053 is an equidigital number, since it uses as much as digits as its factorization.

749748053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 749748053 is about 27381.5275870431. The cubic root of 749748053 is about 908.4585476702.

The spelling of 749748053 in words is "seven hundred forty-nine million, seven hundred forty-eight thousand, fifty-three".