47106816 has 72 divisors (see below), whose sum is σ = 127055040. Its totient is φ = 15492096.

The previous prime is 47106811. The next prime is 47106821. The reversal of 47106816 is 61860174.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47106811) and next prime (47106821).

It is a super-2 number, since 2×47106816² = 4438104227315712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47106811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63375 + ... + 64113.

Almost surely, 2^47106816 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 47106816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63527520).

47106816 is an abundant number, since it is smaller than the sum of its proper divisors (79948224).

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

47106816 is an equidigital number, since it uses as much as digits as its factorization.

47106816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 47106816 is about 6863.4405366405. The cubic root of 47106816 is about 361.1557914962.

The spelling of 47106816 in words is "forty-seven million, one hundred six thousand, eight hundred sixteen".