47127431 has 8 divisors (see below), whose sum is σ = 50893920. Its totient is φ = 43381152.

The previous prime is 47127427. The next prime is 47127433. The reversal of 47127431 is 13472174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47127431 - 2² = 47127427 is a prime.

It is a super-2 number, since 2×47127431² = 4441989505319522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47127394 and 47127403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47127433) 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, 11 + ... + 9708.

It is an arithmetic number, because the mean of its divisors is an integer number (6361740).

Almost surely, 2^47127431 is an apocalyptic number.

47127431 is a deficient number, since it is larger than the sum of its proper divisors (3766489).

47127431 is a wasteful number, since it uses less digits than its factorization.

47127431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105.

The product of its digits is 4704, while the sum is 29.

The square root of 47127431 is about 6864.9421701861. The cubic root of 47127431 is about 361.2084671065.

The spelling of 47127431 in words is "forty-seven million, one hundred twenty-seven thousand, four hundred thirty-one".