47421107 has 2 divisors, whose sum is σ = 47421108. Its totient is φ = 47421106.

The previous prime is 47421089. The next prime is 47421139. The reversal of 47421107 is 70112474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47421107 - 2¹⁰ = 47420083 is a prime.

It is a super-2 number, since 2×47421107² = 4497522778210898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47421197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23710553 + 23710554.

It is an arithmetic number, because the mean of its divisors is an integer number (23710554).

Almost surely, 2^47421107 is an apocalyptic number.

47421107 is a deficient number, since it is larger than the sum of its proper divisors (1).

47421107 is an equidigital number, since it uses as much as digits as its factorization.

47421107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 47421107 is about 6886.2984977417. The cubic root of 47421107 is about 361.9572077862.

The spelling of 47421107 in words is "forty-seven million, four hundred twenty-one thousand, one hundred seven".