69680268 has 72 divisors (see below), whose sum is σ = 204352512. Its totient is φ = 19606752.

The previous prime is 69680267. The next prime is 69680269. The reversal of 69680268 is 86208696.

It is an interprime number because it is at equal distance from previous prime (69680267) and next prime (69680269).

It is not an unprimeable number, because it can be changed into a prime (69680267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14821 + ... + 18947.

Almost surely, 2^69680268 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 69680268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102176256).

69680268 is an abundant number, since it is smaller than the sum of its proper divisors (134672244).

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

69680268 is a wasteful number, since it uses less digits than its factorization.

69680268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211 (or 4206 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 69680268 is about 8347.4707546658. The cubic root of 69680268 is about 411.5000927663.

The spelling of 69680268 in words is "sixty-nine million, six hundred eighty thousand, two hundred sixty-eight".