742225 has 12 divisors (see below), whose sum is σ = 1004400. Its totient is φ = 539600.

The previous prime is 742219. The next prime is 742229. The reversal of 742225 is 522247.

742225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742225 - 2⁵ = 742193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 742196 and 742205.

It is not an unprimeable number, because it can be changed into a prime (742229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1075 + ... + 1624.

It is an arithmetic number, because the mean of its divisors is an integer number (83700).

2⁷⁴²²²⁵ is an apocalyptic number.

It is an amenable number.

742225 is a deficient number, since it is larger than the sum of its proper divisors (262175).

742225 is a wasteful number, since it uses less digits than its factorization.

742225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720 (or 2715 counting only the distinct ones).

The product of its digits is 1120, while the sum is 22.

The square root of 742225 is about 861.5248110182. The cubic root of 742225 is about 90.5409803924.

Adding to 742225 its sum of digits (22), we get a palindrome (742247).

It can be divided in two parts, 7422 and 25, that added together give a palindrome (7447).

The spelling of 742225 in words is "seven hundred forty-two thousand, two hundred twenty-five".