47439612 has 36 divisors (see below), whose sum is σ = 130819416. Its totient is φ = 14375520.

The previous prime is 47439569. The next prime is 47439617. The reversal of 47439612 is 21693474.

47439612 is a `hidden beast` number, since 4 + 7 + 4 + 39 + 612 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47439617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59503 + ... + 60294.

Almost surely, 2^47439612 is an apocalyptic number.

It is an amenable number.

47439612 is an abundant number, since it is smaller than the sum of its proper divisors (83379804).

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

47439612 is a wasteful number, since it uses less digits than its factorization.

47439612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119818 (or 119813 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 47439612 is about 6887.6419767581. The cubic root of 47439612 is about 362.0042834978.

The spelling of 47439612 in words is "forty-seven million, four hundred thirty-nine thousand, six hundred twelve".