47276180 has 72 divisors (see below), whose sum is σ = 121615200. Its totient is φ = 15349824.

The previous prime is 47276179. The next prime is 47276183. The reversal of 47276180 is 8167274.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 47276180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47276183) 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, 17351 + ... + 19889.

It is an arithmetic number, because the mean of its divisors is an integer number (1689100).

Almost surely, 2^47276180 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 47276180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60807600).

47276180 is an abundant number, since it is smaller than the sum of its proper divisors (74339020).

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

47276180 is a wasteful number, since it uses less digits than its factorization.

47276180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581 (or 2572 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 47276180 is about 6875.7675935127. The cubic root of 47276180 is about 361.5880971654.

The spelling of 47276180 in words is "forty-seven million, two hundred seventy-six thousand, one hundred eighty".