742227 has 4 divisors (see below), whose sum is σ = 989640. Its totient is φ = 494816.

The previous prime is 742219. The next prime is 742229. The reversal of 742227 is 722247.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 742227 - 2³ = 742219 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 742197 and 742206.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 742227.

It is not an unprimeable number, because it can be changed into a prime (742229) 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 3 ways as a sum of consecutive naturals, for example, 123702 + ... + 123707.

It is an arithmetic number, because the mean of its divisors is an integer number (247410).

2⁷⁴²²²⁷ is an apocalyptic number.

742227 is a deficient number, since it is larger than the sum of its proper divisors (247413).

742227 is a wasteful number, since it uses less digits than its factorization.

742227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247412.

The product of its digits is 1568, while the sum is 24.

The square root of 742227 is about 861.5259717501. The cubic root of 742227 is about 90.5410617162.

It can be divided in two parts, 742 and 227, that added together give a palindrome (969).

The spelling of 742227 in words is "seven hundred forty-two thousand, two hundred twenty-seven", and thus it is an iban number.