69981696 has 60 divisors (see below), whose sum is σ = 201985212. Its totient is φ = 23325696.

The previous prime is 69981671. The next prime is 69981697. The reversal of 69981696 is 69618996.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69981697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2986 + ... + 12201.

Almost surely, 2^69981696 is an apocalyptic number.

It is an amenable number.

69981696 is an abundant number, since it is smaller than the sum of its proper divisors (132003516).

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

69981696 is a wasteful number, since it uses less digits than its factorization.

69981696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15211 (or 15192 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 69981696 is about 8365.5063206001. The cubic root of 69981696 is about 412.0926049417.

The spelling of 69981696 in words is "sixty-nine million, nine hundred eighty-one thousand, six hundred ninety-six".