47208140 has 24 divisors (see below), whose sum is σ = 113299872. Its totient is φ = 16185600.

The previous prime is 47208131. The next prime is 47208149. The reversal of 47208140 is 4180274.

It is an interprime number because it is at equal distance from previous prime (47208131) and next prime (47208149).

It is not an unprimeable number, because it can be changed into a prime (47208149) 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, 168461 + ... + 168740.

It is an arithmetic number, because the mean of its divisors is an integer number (4720828).

Almost surely, 2^47208140 is an apocalyptic number.

It is an amenable number.

47208140 is an abundant number, since it is smaller than the sum of its proper divisors (66091732).

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

47208140 is a wasteful number, since it uses less digits than its factorization.

47208140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337217 (or 337215 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 47208140 is about 6870.8180007915. The cubic root of 47208140 is about 361.4145477076.

The spelling of 47208140 in words is "forty-seven million, two hundred eight thousand, one hundred forty".