69825888 has 240 divisors, whose sum is σ = 234178560. Its totient is φ = 20217600.

The previous prime is 69825869. The next prime is 69825913. The reversal of 69825888 is 88852896.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 39 ways as a sum of consecutive naturals, for example, 883833 + ... + 883911.

It is an arithmetic number, because the mean of its divisors is an integer number (975744).

Almost surely, 2^69825888 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 69825888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117089280).

69825888 is an abundant number, since it is smaller than the sum of its proper divisors (164352672).

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

69825888 is a wasteful number, since it uses less digits than its factorization.

69825888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143 (or 126 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 54.

The square root of 69825888 is about 8356.1886048605. The cubic root of 69825888 is about 411.7865485588.

The spelling of 69825888 in words is "sixty-nine million, eight hundred twenty-five thousand, eight hundred eighty-eight".