727522 has 4 divisors (see below), whose sum is σ = 1091286. Its totient is φ = 363760.

The previous prime is 727501. The next prime is 727541. The reversal of 727522 is 225727.

727522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225727 = 53 ⋅4259.

It can be written as a sum of positive squares in only one way, i.e., 591361 + 136161 = 769^2 + 369^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181879 + ... + 181882.

2⁷²⁷⁵²² is an apocalyptic number.

727522 is a deficient number, since it is larger than the sum of its proper divisors (363764).

727522 is a wasteful number, since it uses less digits than its factorization.

727522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363763.

The product of its digits is 1960, while the sum is 25.

The square root of 727522 is about 852.9490019925. The cubic root of 727522 is about 89.9391358035.

The spelling of 727522 in words is "seven hundred twenty-seven thousand, five hundred twenty-two".