69869952 has 160 divisors (see below), whose sum is σ = 217712880. Its totient is φ = 22201344.

The previous prime is 69869911. The next prime is 69869957. The reversal of 69869952 is 25996896.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69869957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 238318 + ... + 238610.

Almost surely, 2^69869952 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 69869952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108856440).

69869952 is an abundant number, since it is smaller than the sum of its proper divisors (147842928).

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

69869952 is a wasteful number, since it uses less digits than its factorization.

69869952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 321 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 54.

The square root of 69869952 is about 8358.8247977811. The cubic root of 69869952 is about 411.8731503790.

The spelling of 69869952 in words is "sixty-nine million, eight hundred sixty-nine thousand, nine hundred fifty-two".