69013944 has 96 divisors (see below), whose sum is σ = 196035840. Its totient is φ = 22744800.

The previous prime is 69013943. The next prime is 69013949. The reversal of 69013944 is 44931096.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 69013899 and 69013908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69013943) 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 23 ways as a sum of consecutive naturals, for example, 254529 + ... + 254799.

It is an arithmetic number, because the mean of its divisors is an integer number (2042040).

Almost surely, 2^69013944 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 69013944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98017920).

69013944 is an abundant number, since it is smaller than the sum of its proper divisors (127021896).

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

69013944 is a wasteful number, since it uses less digits than its factorization.

69013944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 69013944 is about 8307.4631506857. The cubic root of 69013944 is about 410.1842202085.

The spelling of 69013944 in words is "sixty-nine million, thirteen thousand, nine hundred forty-four".