47421275 has 12 divisors (see below), whose sum is σ = 64148424. Its totient is φ = 34488000.

The previous prime is 47421259. The next prime is 47421277. The reversal of 47421275 is 57212474.

It is not a de Polignac number, because 47421275 - 2⁴ = 47421259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47421277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85946 + ... + 86495.

It is an arithmetic number, because the mean of its divisors is an integer number (5345702).

Almost surely, 2^47421275 is an apocalyptic number.

47421275 is a deficient number, since it is larger than the sum of its proper divisors (16727149).

47421275 is a wasteful number, since it uses less digits than its factorization.

47421275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172462 (or 172457 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 47421275 is about 6886.3106958661. The cubic root of 47421275 is about 361.9576352242.

The spelling of 47421275 in words is "forty-seven million, four hundred twenty-one thousand, two hundred seventy-five".