742230 has 32 divisors (see below), whose sum is σ = 1980000. Its totient is φ = 197856.

The previous prime is 742229. The next prime is 742241. The reversal of 742230 is 32247.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1105 + ... + 1644.

It is an arithmetic number, because the mean of its divisors is an integer number (61875).

2⁷⁴²²³⁰ is an apocalyptic number.

742230 is an abundant number, since it is smaller than the sum of its proper divisors (1237770).

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

742230 is a wasteful number, since it uses less digits than its factorization.

742230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 742230 is about 861.5277128450. The cubic root of 742230 is about 90.5411837017.

Adding to 742230 its reverse (32247), we get a palindrome (774477).

It can be divided in two parts, 74 and 2230, that added together give a square (2304 = 48²).

The spelling of 742230 in words is "seven hundred forty-two thousand, two hundred thirty".