69988941 has 60 divisors (see below), whose sum is σ = 118637596. Its totient is φ = 41057280.

The previous prime is 69988909. The next prime is 69988943. The reversal of 69988941 is 14988996.

It can be written as a sum of positive squares in 2 ways, for example, as 41409225 + 28579716 = 6435^2 + 5346^2 .

It is not a de Polignac number, because 69988941 - 2⁵ = 69988909 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69988943) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 362541 + ... + 362733.

Almost surely, 2^69988941 is an apocalyptic number.

It is an amenable number.

69988941 is a deficient number, since it is larger than the sum of its proper divisors (48648655).

69988941 is a wasteful number, since it uses less digits than its factorization.

69988941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 244 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 54.

The square root of 69988941 is about 8365.9393375759. The cubic root of 69988941 is about 412.1068253644.

Subtracting from 69988941 its reverse (14988996), we obtain a palindrome (54999945).

The spelling of 69988941 in words is "sixty-nine million, nine hundred eighty-eight thousand, nine hundred forty-one".