730242 has 16 divisors (see below), whose sum is σ = 1622880. Its totient is φ = 243396.

The previous prime is 730237. The next prime is 730253. The reversal of 730242 is 242037.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6708 + ... + 6815.

It is an arithmetic number, because the mean of its divisors is an integer number (101430).

2⁷³⁰²⁴² is an apocalyptic number.

730242 is an abundant number, since it is smaller than the sum of its proper divisors (892638).

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

730242 is a wasteful number, since it uses less digits than its factorization.

730242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534 (or 13528 counting only the distinct ones).

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

The square root of 730242 is about 854.5419825848. The cubic root of 730242 is about 90.0510821125.

Adding to 730242 its reverse (242037), we get a palindrome (972279).

The spelling of 730242 in words is "seven hundred thirty thousand, two hundred forty-two".