7421427069 has 16 divisors (see below), whose sum is σ = 11435909760. Its totient is φ = 4193164800.

The previous prime is 7421427059. The next prime is 7421427071. The reversal of 7421427069 is 9607241247.

It is not a de Polignac number, because 7421427069 - 2⁴ = 7421427053 is a prime.

It is a super-2 number, since 2×7421427069² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7421427069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7421427059) 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 15 ways as a sum of consecutive naturals, for example, 1983532 + ... + 1987269.

It is an arithmetic number, because the mean of its divisors is an integer number (714744360).

Almost surely, 2^7421427069 is an apocalyptic number.

It is an amenable number.

7421427069 is a deficient number, since it is larger than the sum of its proper divisors (4014482691).

7421427069 is a wasteful number, since it uses less digits than its factorization.

7421427069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970900.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 7421427069 is about 86147.7049549203. The cubic root of 7421427069 is about 1950.5741959290.

The spelling of 7421427069 in words is "seven billion, four hundred twenty-one million, four hundred twenty-seven thousand, sixty-nine".