752490 has 40 divisors (see below), whose sum is σ = 2025540. Its totient is φ = 200448.

The previous prime is 752489. The next prime is 752503. The reversal of 752490 is 94257.

It can be written as a sum of positive squares in 2 ways, for example, as 641601 + 110889 = 801^2 + 333^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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 19 ways as a sum of consecutive naturals, for example, 346 + ... + 1274.

2⁷⁵²⁴⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 752490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1012770).

752490 is an abundant number, since it is smaller than the sum of its proper divisors (1273050).

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

752490 is a wasteful number, since it uses less digits than its factorization.

752490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 752490 is about 867.4618147215. The cubic root of 752490 is about 90.9564659135.

The spelling of 752490 in words is "seven hundred fifty-two thousand, four hundred ninety".