742288 has 20 divisors (see below), whose sum is σ = 1523340. Its totient is φ = 349184.

The previous prime is 742283. The next prime is 742289. The reversal of 742288 is 882247.

It can be written as a sum of positive squares in 2 ways, for example, as 659344 + 82944 = 812^2 + 288^2 .

It is not an unprimeable number, because it can be changed into a prime (742283) 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, 1093 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (76167).

2⁷⁴²²⁸⁸ is an apocalyptic number.

It is an amenable number.

742288 is an abundant number, since it is smaller than the sum of its proper divisors (781052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

742288 is a wasteful number, since it uses less digits than its factorization.

742288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754 (or 2748 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 742288 is about 861.5613733217. The cubic root of 742288 is about 90.5435420237.

The spelling of 742288 in words is "seven hundred forty-two thousand, two hundred eighty-eight".