748827493 has 4 divisors (see below), whose sum is σ = 755697580. Its totient is φ = 741957408.

The previous prime is 748827479. The next prime is 748827511. The reversal of 748827493 is 394728847.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 669670884 + 79156609 = 25878^2 + 8897^2 .

It is a cyclic number.

It is not a de Polignac number, because 748827493 - 2⁵ = 748827461 is a prime.

It is a super-2 number, since 2×748827493² = 1121485228545330098, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 748827493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (748827463) 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, 3434880 + ... + 3435097.

It is an arithmetic number, because the mean of its divisors is an integer number (188924395).

Almost surely, 2^748827493 is an apocalyptic number.

It is an amenable number.

748827493 is a deficient number, since it is larger than the sum of its proper divisors (6870087).

748827493 is a wasteful number, since it uses less digits than its factorization.

748827493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6870086.

The product of its digits is 2709504, while the sum is 52.

The square root of 748827493 is about 27364.7125510209. The cubic root of 748827493 is about 908.0865857807.

The spelling of 748827493 in words is "seven hundred forty-eight million, eight hundred twenty-seven thousand, four hundred ninety-three".