69672448 has 40 divisors (see below), whose sum is σ = 142647120. Its totient is φ = 33976320.

The previous prime is 69672439. The next prime is 69672461. The reversal of 69672448 is 84427696.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 69672398 and 69672407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19333 + ... + 22651.

It is an arithmetic number, because the mean of its divisors is an integer number (3566178).

Almost surely, 2^69672448 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 69672448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71323560).

69672448 is an abundant number, since it is smaller than the sum of its proper divisors (72974672).

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

69672448 is an equidigital number, since it uses as much as digits as its factorization.

69672448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378 (or 3362 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 69672448 is about 8347.0023361684. The cubic root of 69672448 is about 411.4846983981.

The spelling of 69672448 in words is "sixty-nine million, six hundred seventy-two thousand, four hundred forty-eight".