69424056 has 96 divisors (see below), whose sum is σ = 214446960. Its totient is φ = 20100096.

The previous prime is 69424049. The next prime is 69424087. The reversal of 69424056 is 65042496.

It is a super-2 number, since 2×69424056² = 9639399102982272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 69424056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13731 + ... + 18093.

Almost surely, 2^69424056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69424056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107223480).

69424056 is an abundant number, since it is smaller than the sum of its proper divisors (145022904).

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

69424056 is a wasteful number, since it uses less digits than its factorization.

69424056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405 (or 4398 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 69424056 is about 8332.1099368647. The cubic root of 69424056 is about 410.9951160021.

The spelling of 69424056 in words is "sixty-nine million, four hundred twenty-four thousand, fifty-six".