7242429 has 8 divisors (see below), whose sum is σ = 9733120. Its totient is φ = 4790016.

The previous prime is 7242419. The next prime is 7242449. The reversal of 7242429 is 9242427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7242429 - 2¹¹ = 7240381 is a prime.

It is a Duffinian number.

7242429 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 7242396 and 7242405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7242409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9124 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (1216640).

Almost surely, 2^7242429 is an apocalyptic number.

It is an amenable number.

7242429 is a deficient number, since it is larger than the sum of its proper divisors (2490691).

7242429 is a wasteful number, since it uses less digits than its factorization.

7242429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19139.

The product of its digits is 8064, while the sum is 30.

The square root of 7242429 is about 2691.1761369334. The cubic root of 7242429 is about 193.4764375158.

The spelling of 7242429 in words is "seven million, two hundred forty-two thousand, four hundred twenty-nine".