749498663 has 4 divisors (see below), whose sum is σ = 750451800. Its totient is φ = 748545528.

The previous prime is 749498657. The next prime is 749498699. The reversal of 749498663 is 366894947.

749498663 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366894947 = 2729 ⋅134443.

It is a cyclic number.

It is not a de Polignac number, because 749498663 - 2⁴ = 749498647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749498599 and 749498608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749498863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 475388 + ... + 476961.

It is an arithmetic number, because the mean of its divisors is an integer number (187612950).

Almost surely, 2^749498663 is an apocalyptic number.

749498663 is a deficient number, since it is larger than the sum of its proper divisors (953137).

749498663 is an equidigital number, since it uses as much as digits as its factorization.

749498663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953136.

The product of its digits is 7838208, while the sum is 56.

The square root of 749498663 is about 27376.9732256873. The cubic root of 749498663 is about 908.3578091171.

The spelling of 749498663 in words is "seven hundred forty-nine million, four hundred ninety-eight thousand, six hundred sixty-three".