69808914 has 48 divisors (see below), whose sum is σ = 174425472. Its totient is φ = 19764864.

The previous prime is 69808913. The next prime is 69808939. The reversal of 69808914 is 41980896.

It is a self number, because there is not a number n which added to its sum of digits gives 69808914.

It is not an unprimeable number, because it can be changed into a prime (69808913) 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, 11787 + ... + 16689.

It is an arithmetic number, because the mean of its divisors is an integer number (3633864).

Almost surely, 2^69808914 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69808914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87212736).

69808914 is an abundant number, since it is smaller than the sum of its proper divisors (104616558).

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

69808914 is a wasteful number, since it uses less digits than its factorization.

69808914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 69808914 is about 8355.1728886960. The cubic root of 69808914 is about 411.7531787417.

The spelling of 69808914 in words is "sixty-nine million, eight hundred eight thousand, nine hundred fourteen".