69231456 has 96 divisors (see below), whose sum is σ = 230791680. Its totient is φ = 19778688.

The previous prime is 69231451. The next prime is 69231457. The reversal of 69231456 is 65413296.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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 69231456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69231451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (2404080).

Almost surely, 2^69231456 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 69231456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115395840).

69231456 is an abundant number, since it is smaller than the sum of its proper divisors (161560224).

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

69231456 is a wasteful number, since it uses less digits than its factorization.

69231456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11473 (or 11459 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 69231456 is about 8320.5442129707. The cubic root of 69231456 is about 410.6146956402.

The spelling of 69231456 in words is "sixty-nine million, two hundred thirty-one thousand, four hundred fifty-six".