47618412 has 12 divisors (see below), whose sum is σ = 111109656. Its totient is φ = 15872800.

The previous prime is 47618399. The next prime is 47618413. The reversal of 47618412 is 21481674.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×47618412² = 4535026322803488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47618413) 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, 1984089 + ... + 1984112.

It is an arithmetic number, because the mean of its divisors is an integer number (9259138).

Almost surely, 2^47618412 is an apocalyptic number.

It is an amenable number.

47618412 is an abundant number, since it is smaller than the sum of its proper divisors (63491244).

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

47618412 is a wasteful number, since it uses less digits than its factorization.

47618412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968208 (or 3968206 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 47618412 is about 6900.6095382944. The cubic root of 47618412 is about 362.4585116212.

The spelling of 47618412 in words is "forty-seven million, six hundred eighteen thousand, four hundred twelve".