47216736 has 192 divisors, whose sum is σ = 162408960. Its totient is φ = 13063680.

The previous prime is 47216731. The next prime is 47216747. The reversal of 47216736 is 63761274.

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 47216736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47216731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223671 + ... + 223881.

It is an arithmetic number, because the mean of its divisors is an integer number (845880).

Almost surely, 2^47216736 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 47216736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81204480).

47216736 is an abundant number, since it is smaller than the sum of its proper divisors (115192224).

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

47216736 is a wasteful number, since it uses less digits than its factorization.

47216736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 260 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 47216736 is about 6871.4435164673. The cubic root of 47216736 is about 361.4364827024.

The spelling of 47216736 in words is "forty-seven million, two hundred sixteen thousand, seven hundred thirty-six".