47299980 has 96 divisors (see below), whose sum is σ = 163021824. Its totient is φ = 9978624.

The previous prime is 47299979. The next prime is 47299981. The reversal of 47299980 is 8999274.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (47299979) and next prime (47299981).

It is not an unprimeable number, because it can be changed into a prime (47299981) 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, 1129 + ... + 9791.

It is an arithmetic number, because the mean of its divisors is an integer number (1698144).

Almost surely, 2^47299980 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 47299980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81510912).

47299980 is an abundant number, since it is smaller than the sum of its proper divisors (115721844).

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

47299980 is a wasteful number, since it uses less digits than its factorization.

47299980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8695 (or 8693 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 47299980 is about 6877.4980916028. The cubic root of 47299980 is about 361.6487644542.

The spelling of 47299980 in words is "forty-seven million, two hundred ninety-nine thousand, nine hundred eighty".