740525 has 12 divisors (see below), whose sum is σ = 967200. Its totient is φ = 560880.

The previous prime is 740521. The next prime is 740527. The reversal of 740525 is 525047.

It is not a de Polignac number, because 740525 - 2² = 740521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 740525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305 + ... + 1254.

It is an arithmetic number, because the mean of its divisors is an integer number (80600).

2⁷⁴⁰⁵²⁵ is an apocalyptic number.

It is an amenable number.

740525 is a deficient number, since it is larger than the sum of its proper divisors (226675).

740525 is a wasteful number, since it uses less digits than its factorization.

740525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1583 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 740525 is about 860.5376226523. The cubic root of 740525 is about 90.4718022099.

The spelling of 740525 in words is "seven hundred forty thousand, five hundred twenty-five".