612748 has 12 divisors (see below), whose sum is σ = 1135512. Its totient is φ = 288320.

The previous prime is 612737. The next prime is 612751. The reversal of 612748 is 847216.

It is a super-2 number, since 2×612748² = 750920223008, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

612748 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4438 + ... + 4573.

It is an arithmetic number, because the mean of its divisors is an integer number (94626).

2⁶¹²⁷⁴⁸ is an apocalyptic number.

612748 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

612748 is a deficient number, since it is larger than the sum of its proper divisors (522764).

612748 is a wasteful number, since it uses less digits than its factorization.

612748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032 (or 9030 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 612748 is about 782.7822174781. The cubic root of 612748 is about 84.9364230468.

It can be divided in two parts, 61 and 2748, that added together give a square (2809 = 53²).

The spelling of 612748 in words is "six hundred twelve thousand, seven hundred forty-eight".