69424992 has 192 divisors, whose sum is σ = 249500160. Its totient is φ = 18289152.

The previous prime is 69424973. The next prime is 69424997. The reversal of 69424992 is 29942496.

It is a happy number.

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 (69424997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78183 + ... + 79065.

It is an arithmetic number, because the mean of its divisors is an integer number (1299480).

Almost surely, 2^69424992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69424992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124750080).

69424992 is an abundant number, since it is smaller than the sum of its proper divisors (180075168).

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

69424992 is a wasteful number, since it uses less digits than its factorization.

69424992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 908 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 69424992 is about 8332.1661049213. The cubic root of 69424992 is about 410.9969630550.

The spelling of 69424992 in words is "sixty-nine million, four hundred twenty-four thousand, nine hundred ninety-two".