69985044 has 36 divisors (see below), whose sum is σ = 184600416. Its totient is φ = 22313808.

The previous prime is 69985043. The next prime is 69985049. The reversal of 69985044 is 44058996.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69985043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41434 + ... + 43089.

Almost surely, 2^69985044 is an apocalyptic number.

It is an amenable number.

69985044 is an abundant number, since it is smaller than the sum of its proper divisors (114615372).

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

69985044 is a wasteful number, since it uses less digits than its factorization.

69985044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84556 (or 84551 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 69985044 is about 8365.7064256403. The cubic root of 69985044 is about 412.0991764888.

The spelling of 69985044 in words is "sixty-nine million, nine hundred eighty-five thousand, forty-four".