47426427 has 6 divisors (see below), whose sum is σ = 68504852. Its totient is φ = 31617612.

The previous prime is 47426417. The next prime is 47426461. The reversal of 47426427 is 72462474.

It is a happy number.

47426427 is a `hidden beast` number, since 4 + 7 + 4 + 2 + 642 + 7 = 666.

It is not a de Polignac number, because 47426427 - 2⁴ = 47426411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47426391 and 47426400.

It is not an unprimeable number, because it can be changed into a prime (47426417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2634793 + ... + 2634810.

Almost surely, 2^47426427 is an apocalyptic number.

47426427 is a deficient number, since it is larger than the sum of its proper divisors (21078425).

47426427 is a wasteful number, since it uses less digits than its factorization.

47426427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5269609 (or 5269606 counting only the distinct ones).

The product of its digits is 75264, while the sum is 36.

The square root of 47426427 is about 6886.6847611895. The cubic root of 47426427 is about 361.9707428305.

The spelling of 47426427 in words is "forty-seven million, four hundred twenty-six thousand, four hundred twenty-seven".