69248427 has 4 divisors (see below), whose sum is σ = 92331240. Its totient is φ = 46165616.

The previous prime is 69248419. The next prime is 69248441. The reversal of 69248427 is 72484296.

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

It is a cyclic number.

It is not a de Polignac number, because 69248427 - 2³ = 69248419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69241427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11541402 + ... + 11541407.

It is an arithmetic number, because the mean of its divisors is an integer number (23082810).

Almost surely, 2^69248427 is an apocalyptic number.

69248427 is a deficient number, since it is larger than the sum of its proper divisors (23082813).

69248427 is a wasteful number, since it uses less digits than its factorization.

69248427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23082812.

The product of its digits is 193536, while the sum is 42.

The square root of 69248427 is about 8321.5639755998. The cubic root of 69248427 is about 410.6482448054.

It can be divided in two parts, 6924 and 8427, that added together give a palindrome (15351).

The spelling of 69248427 in words is "sixty-nine million, two hundred forty-eight thousand, four hundred twenty-seven".