69441912 has 96 divisors (see below), whose sum is σ = 194310480. Its totient is φ = 22394880.

The previous prime is 69441901. The next prime is 69441913. The reversal of 69441912 is 21914496.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (69441913) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425943 + ... + 426105.

Almost surely, 2^69441912 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 69441912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97155240).

69441912 is an abundant number, since it is smaller than the sum of its proper divisors (124868568).

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

69441912 is a wasteful number, since it uses less digits than its factorization.

69441912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 326 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 69441912 is about 8333.1813852814. The cubic root of 69441912 is about 411.0303492250.

It can be divided in two parts, 694419 and 12, that added together give a triangular number (694431 = T₁₁₇₈).

The spelling of 69441912 in words is "sixty-nine million, four hundred forty-one thousand, nine hundred twelve".