7242442427 has 4 divisors (see below), whose sum is σ = 7900846296. Its totient is φ = 6584038560.

The previous prime is 7242442381. The next prime is 7242442429.

7242442427 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-7242442427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7242442429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329201918 + ... + 329201939.

It is an arithmetic number, because the mean of its divisors is an integer number (1975211574).

Almost surely, 2^7242442427 is an apocalyptic number.

7242442427 is a deficient number, since it is larger than the sum of its proper divisors (658403869).

7242442427 is a wasteful number, since it uses less digits than its factorization.

7242442427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658403868.

The product of its digits is 200704, while the sum is 38.

The square root of 7242442427 is about 85102.5406612517. The cubic root of 7242442427 is about 1934.7655708001.

The spelling of 7242442427 in words is "seven billion, two hundred forty-two million, four hundred forty-two thousand, four hundred twenty-seven".