748493 has 4 divisors (see below), whose sum is σ = 792540.
Its totient is φ = 704448.
The previous prime is 748487. The next prime is 748499. The reversal of 748493 is 394847.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (748487) and next prime (748499).
It can be written as a sum of positive squares in 2 ways, for example, as 310249 + 438244 = 557^2 + 662^2
It is a cyclic number.
It is not a de Polignac number, because 748493 - 212 = 744397 is a prime.
It is a super-3 number, since 3×7484933 = 1258011131813337471, which contains 333 as substring.
It is a Curzon number.
It is a plaindrome in base 14.
It is a nialpdrome in base 15.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 748493.
It is not an unprimeable number, because it can be changed into a prime (748499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21998 + ... + 22031.
It is an arithmetic number, because the mean of its divisors is an integer number (198135).
2748493 is an apocalyptic number.
It is an amenable number.
748493 is a deficient number, since it is larger than the sum of its proper divisors (44047).
748493 is a wasteful number, since it uses less digits than its factorization.
748493 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44046.
The product of its digits is 24192, while the sum is 35.
The square root of 748493 is about 865.1548994255.
The cubic root of 748493 is about 90.7951354882.
The spelling of 748493 in words is "seven hundred forty-eight thousand, four hundred ninety-three".