69628944 has 80 divisors (see below), whose sum is σ = 224271360. Its totient is φ = 18084480.

The previous prime is 69628907. The next prime is 69628967. The reversal of 69628944 is 44982696.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 69628893 and 69628902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5724 + ... + 13115.

It is an arithmetic number, because the mean of its divisors is an integer number (2803392).

Almost surely, 2^69628944 is an apocalyptic number.

It is an amenable number.

69628944 is an abundant number, since it is smaller than the sum of its proper divisors (154642416).

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

69628944 is a wasteful number, since it uses less digits than its factorization.

69628944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18868 (or 18862 counting only the distinct ones).

The product of its digits is 746496, while the sum is 48.

The square root of 69628944 is about 8344.3959637592. The cubic root of 69628944 is about 411.3990358537.

The spelling of 69628944 in words is "sixty-nine million, six hundred twenty-eight thousand, nine hundred forty-four".