947905472 has 28 divisors (see below), whose sum is σ = 1897660416. Its totient is φ = 469754880.

The previous prime is 947905457. The next prime is 947905487. The reversal of 947905472 is 274509749.

It is an interprime number because it is at equal distance from previous prime (947905457) and next prime (947905487).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58304 + ... + 72767.

Almost surely, 2^947905472 is an apocalyptic number.

It is an amenable number.

947905472 is an abundant number, since it is smaller than the sum of its proper divisors (949754944).

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

947905472 is a wasteful number, since it uses less digits than its factorization.

947905472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131196 (or 131186 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 947905472 is about 30788.0735350557. The cubic root of 947905472 is about 982.3245774944.

The spelling of 947905472 in words is "nine hundred forty-seven million, nine hundred five thousand, four hundred seventy-two".