752641 has 4 divisors (see below), whose sum is σ = 796932. Its totient is φ = 708352.

The previous prime is 752639. The next prime is 752651. The reversal of 752641 is 146257.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146257 = 23 ⋅6359.

It can be written as a sum of positive squares in 2 ways, for example, as 291600 + 461041 = 540^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 752641 - 2¹ = 752639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (752651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22120 + ... + 22153.

It is an arithmetic number, because the mean of its divisors is an integer number (199233).

It is a Proth number, since it is equal to 735 ⋅ 2¹⁰ + 1 and 735 < 2¹⁰.

2⁷⁵²⁶⁴¹ is an apocalyptic number.

It is an amenable number.

752641 is a deficient number, since it is larger than the sum of its proper divisors (44291).

752641 is a wasteful number, since it uses less digits than its factorization.

752641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44290.

The product of its digits is 1680, while the sum is 25.

The square root of 752641 is about 867.5488458871. The cubic root of 752641 is about 90.9625494972.

Adding to 752641 its reverse (146257), we get a palindrome (898898).

The spelling of 752641 in words is "seven hundred fifty-two thousand, six hundred forty-one".