748506 has 24 divisors (see below), whose sum is σ = 1647072. Its totient is φ = 226600.

The previous prime is 748499. The next prime is 748513. The reversal of 748506 is 605847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (748499) and next prime (748513).

It is a super-2 number, since 2×748506² = 1120522464072, which contains 22 as substring.

It is a nialpdrome in base 15.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 211 + ... + 1241.

It is an arithmetic number, because the mean of its divisors is an integer number (68628).

2⁷⁴⁸⁵⁰⁶ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 748506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (823536).

748506 is an abundant number, since it is smaller than the sum of its proper divisors (898566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

748506 is a wasteful number, since it uses less digits than its factorization.

748506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 748506 is about 865.1624124984. The cubic root of 748506 is about 90.7956611355.

Subtracting from 748506 its sum of digits (30), we obtain a triangular number (748476 = T₁₂₂₃).

The spelling of 748506 in words is "seven hundred forty-eight thousand, five hundred six".