69889716 has 72 divisors (see below), whose sum is σ = 197337504. Its totient is φ = 21500640.

The previous prime is 69889691. The next prime is 69889753. The reversal of 69889716 is 61798896.

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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9871 + ... + 15401.

Almost surely, 2^69889716 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 69889716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98668752).

69889716 is an abundant number, since it is smaller than the sum of its proper divisors (127447788).

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

69889716 is a wasteful number, since it uses less digits than its factorization.

69889716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5563 (or 5549 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The square root of 69889716 is about 8360.0069377962. The cubic root of 69889716 is about 411.9119820145.

The spelling of 69889716 in words is "sixty-nine million, eight hundred eighty-nine thousand, seven hundred sixteen".