69913872 has 120 divisors (see below), whose sum is σ = 228955584. Its totient is φ = 19498752.

The previous prime is 69913853. The next prime is 69913919. The reversal of 69913872 is 27831996.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42538 + ... + 44150.

Almost surely, 2^69913872 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 69913872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114477792).

69913872 is an abundant number, since it is smaller than the sum of its proper divisors (159041712).

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

69913872 is a wasteful number, since it uses less digits than its factorization.

69913872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1668 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 69913872 is about 8361.4515486248. The cubic root of 69913872 is about 411.9594329618.

The spelling of 69913872 in words is "sixty-nine million, nine hundred thirteen thousand, eight hundred seventy-two".