69949089 has 80 divisors (see below), whose sum is σ = 129479680. Its totient is φ = 36741600.

The previous prime is 69949081. The next prime is 69949151. The reversal of 69949089 is 98094996.

It is a happy number.

69949089 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 69949089 - 2³ = 69949081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69949081) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 463164 + ... + 463314.

It is an arithmetic number, because the mean of its divisors is an integer number (1618496).

Almost surely, 2^69949089 is an apocalyptic number.

It is an amenable number.

69949089 is a deficient number, since it is larger than the sum of its proper divisors (59530591).

69949089 is a wasteful number, since it uses less digits than its factorization.

69949089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 223 counting only the distinct ones).

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

The square root of 69949089 is about 8363.5571977479. The cubic root of 69949089 is about 412.0285920554.

The spelling of 69949089 in words is "sixty-nine million, nine hundred forty-nine thousand, eighty-nine".