47670912 has 48 divisors (see below), whose sum is σ = 137181330. Its totient is φ = 15889920.

The previous prime is 47670877. The next prime is 47670913. The reversal of 47670912 is 21907674.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39237696 + 8433216 = 6264^2 + 2904^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47670913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19539 + ... + 21842.

Almost surely, 2^47670912 is an apocalyptic number.

It is an amenable number.

47670912 is an abundant number, since it is smaller than the sum of its proper divisors (89510418).

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

47670912 is a wasteful number, since it uses less digits than its factorization.

47670912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41401 (or 41386 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 47670912 is about 6904.4125021612. The cubic root of 47670912 is about 362.5916679786.

The spelling of 47670912 in words is "forty-seven million, six hundred seventy thousand, nine hundred twelve".