47716812 has 216 divisors, whose sum is σ = 153474048. Its totient is φ = 12355200.

The previous prime is 47716811. The next prime is 47716813. The reversal of 47716812 is 21861774.

It is an interprime number because it is at equal distance from previous prime (47716811) and next prime (47716813).

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

It is not an unprimeable number, because it can be changed into a prime (47716811) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1539237 + ... + 1539267.

It is an arithmetic number, because the mean of its divisors is an integer number (710528).

Almost surely, 2^47716812 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 47716812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76737024).

47716812 is an abundant number, since it is smaller than the sum of its proper divisors (105757236).

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

47716812 is a wasteful number, since it uses less digits than its factorization.

47716812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 83 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 47716812 is about 6907.7356637324. The cubic root of 47716812 is about 362.7080046023.

The spelling of 47716812 in words is "forty-seven million, seven hundred sixteen thousand, eight hundred twelve".