47945012 has 12 divisors (see below), whose sum is σ = 84847140. Its totient is φ = 23702976.

The previous prime is 47944997. The next prime is 47945017. The reversal of 47945012 is 21054974.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26173456 + 21771556 = 5116^2 + 4666^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47945012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47945017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66983 + ... + 67694.

It is an arithmetic number, because the mean of its divisors is an integer number (7070595).

Almost surely, 2^47945012 is an apocalyptic number.

It is an amenable number.

47945012 is a deficient number, since it is larger than the sum of its proper divisors (36902128).

47945012 is a wasteful number, since it uses less digits than its factorization.

47945012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134770 (or 134768 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 47945012 is about 6924.2336760107. The cubic root of 47945012 is about 363.2852880012.

Adding to 47945012 its reverse (21054974), we get a palindrome (68999986).

The spelling of 47945012 in words is "forty-seven million, nine hundred forty-five thousand, twelve".