69844104 has 72 divisors (see below), whose sum is σ = 207946830. Its totient is φ = 21162240.

The previous prime is 69844097. The next prime is 69844111. The reversal of 69844104 is 40144896.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (69844097) and next prime (69844111).

It can be written as a sum of positive squares in only one way, i.e., 57608100 + 12236004 = 7590^2 + 3498^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 4704 + ... + 12720.

Almost surely, 2^69844104 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 69844104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103973415).

69844104 is an abundant number, since it is smaller than the sum of its proper divisors (138102726).

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

69844104 is a wasteful number, since it uses less digits than its factorization.

69844104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051 (or 8033 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 69844104 is about 8357.2785043936. The cubic root of 69844104 is about 411.8223540544.

The spelling of 69844104 in words is "sixty-nine million, eight hundred forty-four thousand, one hundred four".