47615412 has 72 divisors (see below), whose sum is σ = 122853024. Its totient is φ = 14342016.

The previous prime is 47615401. The next prime is 47615413. The reversal of 47615412 is 21451674.

It is a self number, because there is not a number n which added to its sum of digits gives 47615412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47615413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107263 + ... + 107705.

It is an arithmetic number, because the mean of its divisors is an integer number (1706292).

Almost surely, 2^47615412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47615412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61426512).

47615412 is an abundant number, since it is smaller than the sum of its proper divisors (75237612).

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

47615412 is a wasteful number, since it uses less digits than its factorization.

47615412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529 (or 514 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 47615412 is about 6900.3921627687. The cubic root of 47615412 is about 362.4508997310.

The spelling of 47615412 in words is "forty-seven million, six hundred fifteen thousand, four hundred twelve".