69252560 has 80 divisors (see below), whose sum is σ = 183644496. Its totient is φ = 24059904.

The previous prime is 69252553. The next prime is 69252571. The reversal of 69252560 is 6525296.

It can be written as a sum of positive squares in 8 ways, for example, as 163216 + 69089344 = 404^2 + 8312^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 69252560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15722 + ... + 19638.

Almost surely, 2^69252560 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 69252560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91822248).

69252560 is an abundant number, since it is smaller than the sum of its proper divisors (114391936).

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

69252560 is a wasteful number, since it uses less digits than its factorization.

69252560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3954 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 69252560 is about 8321.8123026177. The cubic root of 69252560 is about 410.6564143071.

The spelling of 69252560 in words is "sixty-nine million, two hundred fifty-two thousand, five hundred sixty".