47427270 has 32 divisors (see below), whose sum is σ = 124174080. Its totient is φ = 11497440.

The previous prime is 47427257. The next prime is 47427271. The reversal of 47427270 is 7272474.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47427271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71530 + ... + 72189.

It is an arithmetic number, because the mean of its divisors is an integer number (3880440).

Almost surely, 2^47427270 is an apocalyptic number.

47427270 is an abundant number, since it is smaller than the sum of its proper divisors (76746810).

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

47427270 is a wasteful number, since it uses less digits than its factorization.

47427270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143740.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 47427270 is about 6886.7459659842. The cubic root of 47427270 is about 361.9728874824.

The spelling of 47427270 in words is "forty-seven million, four hundred twenty-seven thousand, two hundred seventy".