749628 has 48 divisors (see below), whose sum is σ = 2123520. Its totient is φ = 226800.

The previous prime is 749587. The next prime is 749641. The reversal of 749628 is 826947.

749628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 749592 and 749601.

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 749628.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 873 + ... + 1503.

It is an arithmetic number, because the mean of its divisors is an integer number (44240).

2⁷⁴⁹⁶²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 749628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1061760).

749628 is an abundant number, since it is smaller than the sum of its proper divisors (1373892).

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

749628 is a wasteful number, since it uses less digits than its factorization.

749628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 647 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 749628 is about 865.8106028457. The cubic root of 749628 is about 90.8410056271.

The spelling of 749628 in words is "seven hundred forty-nine thousand, six hundred twenty-eight".