47197280 has 48 divisors (see below), whose sum is σ = 120086064. Its totient is φ = 17425920.

The previous prime is 47197277. The next prime is 47197289. The reversal of 47197280 is 8279174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47197289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9266 + ... + 13425.

It is an arithmetic number, because the mean of its divisors is an integer number (2501793).

Almost surely, 2^47197280 is an apocalyptic number.

47197280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47197280 is an abundant number, since it is smaller than the sum of its proper divisors (72888784).

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

47197280 is a wasteful number, since it uses less digits than its factorization.

47197280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22719 (or 22711 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 47197280 is about 6870.0276564218. The cubic root of 47197280 is about 361.3868317036.

The spelling of 47197280 in words is "forty-seven million, one hundred ninety-seven thousand, two hundred eighty".