69424988 has 12 divisors (see below), whose sum is σ = 121647120. Its totient is φ = 34668672.

The previous prime is 69424973. The next prime is 69424997. The reversal of 69424988 is 88942496.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7253 + ... + 13836.

It is an arithmetic number, because the mean of its divisors is an integer number (10137260).

Almost surely, 2^69424988 is an apocalyptic number.

It is an amenable number.

69424988 is a deficient number, since it is larger than the sum of its proper divisors (52222132).

69424988 is a wasteful number, since it uses less digits than its factorization.

69424988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21916 (or 21914 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 69424988 is about 8332.1658648877. The cubic root of 69424988 is about 410.9969551616.

The spelling of 69424988 in words is "sixty-nine million, four hundred twenty-four thousand, nine hundred eighty-eight".