69028320 has 96 divisors (see below), whose sum is σ = 224501760. Its totient is φ = 17809920.

The previous prime is 69028303. The next prime is 69028357. The reversal of 69028320 is 2382096.

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 (30).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 12561 + ... + 17199.

It is an arithmetic number, because the mean of its divisors is an integer number (2338560).

Almost surely, 2^69028320 is an apocalyptic number.

69028320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69028320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112250880).

69028320 is an abundant number, since it is smaller than the sum of its proper divisors (155473440).

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

69028320 is a wasteful number, since it uses less digits than its factorization.

69028320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4688 (or 4680 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 69028320 is about 8308.3283517203. The cubic root of 69028320 is about 410.2126994723.

The spelling of 69028320 in words is "sixty-nine million, twenty-eight thousand, three hundred twenty".