47409672 has 32 divisors (see below), whose sum is σ = 119397600. Its totient is φ = 15686784.

The previous prime is 47409671. The next prime is 47409679. The reversal of 47409672 is 27690474.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 47409672.

It is not an unprimeable number, because it can be changed into a prime (47409671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3922 + ... + 10497.

It is an arithmetic number, because the mean of its divisors is an integer number (3731175).

Almost surely, 2^47409672 is an apocalyptic number.

It is an amenable number.

47409672 is an abundant number, since it is smaller than the sum of its proper divisors (71987928).

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

47409672 is a wasteful number, since it uses less digits than its factorization.

47409672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14565 (or 14561 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 47409672 is about 6885.4681758033. The cubic root of 47409672 is about 361.9281116470.

The spelling of 47409672 in words is "forty-seven million, four hundred nine thousand, six hundred seventy-two".