69613992 has 160 divisors (see below), whose sum is σ = 226512000. Its totient is φ = 19564416.

The previous prime is 69613991. The next prime is 69614021. The reversal of 69613992 is 29931696.

It is a happy number.

It is a super-2 number, since 2×69613992² = 9692215764352128, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (69613991) 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 39 ways as a sum of consecutive naturals, for example, 467134 + ... + 467282.

It is an arithmetic number, because the mean of its divisors is an integer number (1415700).

Almost surely, 2^69613992 is an apocalyptic number.

It is a pronic number, being equal to 8343×8344.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69613992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113256000).

69613992 is an abundant number, since it is smaller than the sum of its proper divisors (156898008).

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

69613992 is a wasteful number, since it uses less digits than its factorization.

69613992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 264 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 69613992 is about 8343.4999850183. The cubic root of 69613992 is about 411.3695860379.

The spelling of 69613992 in words is "sixty-nine million, six hundred thirteen thousand, nine hundred ninety-two".