47012904 has 24 divisors (see below), whose sum is σ = 127326810. Its totient is φ = 15670944.

The previous prime is 47012891. The next prime is 47012921. The reversal of 47012904 is 40921074.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46376100 + 636804 = 6810^2 + 798^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326407 + ... + 326550.

Almost surely, 2^47012904 is an apocalyptic number.

It is an amenable number.

47012904 is an abundant number, since it is smaller than the sum of its proper divisors (80313906).

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

47012904 is a wasteful number, since it uses less digits than its factorization.

47012904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652969 (or 652962 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 47012904 is about 6856.5956567381. The cubic root of 47012904 is about 360.9156321490.

Adding to 47012904 its reverse (40921074), we get a palindrome (87933978).

The spelling of 47012904 in words is "forty-seven million, twelve thousand, nine hundred four".