69630681 has 8 divisors (see below), whose sum is σ = 95835904. Its totient is φ = 44922960.

The previous prime is 69630667. The next prime is 69630689. The reversal of 69630681 is 18603696.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 69630681 - 2⁷ = 69630553 is a prime.

It is a super-3 number, since 3×69630681³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is the 8345-th Hogben number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69630689) by changing a digit.

It is a nontrivial repunit in base 8344.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374266 + ... + 374451.

It is an arithmetic number, because the mean of its divisors is an integer number (11979488).

Almost surely, 2^69630681 is an apocalyptic number.

It is an amenable number.

69630681 is a deficient number, since it is larger than the sum of its proper divisors (26205223).

69630681 is a wasteful number, since it uses less digits than its factorization.

69630681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748751.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 69630681 is about 8344.5000449398. The cubic root of 69630681 is about 411.4024568170.

The spelling of 69630681 in words is "sixty-nine million, six hundred thirty thousand, six hundred eighty-one".