69478472 has 36 divisors (see below), whose sum is σ = 151901865. Its totient is φ = 29705760.

The previous prime is 69478447. The next prime is 69478499. The reversal of 69478472 is 27487496.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 39513796 + 29964676 = 6286^2 + 5474^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5894.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 164822 + ... + 165242.

Almost surely, 2^69478472 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 69478472

69478472 is an abundant number, since it is smaller than the sum of its proper divisors (82423393).

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

69478472 is an equidigital number, since it uses as much as digits as its factorization.

69478472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862 (or 430 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 69478472 is about 8335.3747366270. The cubic root of 69478472 is about 411.1024700941.

The spelling of 69478472 in words is "sixty-nine million, four hundred seventy-eight thousand, four hundred seventy-two".