47676431 has 4 divisors (see below), whose sum is σ = 52010664. Its totient is φ = 43342200.

The previous prime is 47676407. The next prime is 47676439. The reversal of 47676431 is 13467674.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47676431 - 2⁶ = 47676367 is a prime.

It is a super-2 number, since 2×47676431² = 4546084145795522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47676439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167100 + ... + 2167121.

It is an arithmetic number, because the mean of its divisors is an integer number (13002666).

Almost surely, 2^47676431 is an apocalyptic number.

47676431 is a deficient number, since it is larger than the sum of its proper divisors (4334233).

47676431 is a wasteful number, since it uses less digits than its factorization.

47676431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4334232.

The product of its digits is 84672, while the sum is 38.

The square root of 47676431 is about 6904.8121625429. The cubic root of 47676431 is about 362.6056602023.

The spelling of 47676431 in words is "forty-seven million, six hundred seventy-six thousand, four hundred thirty-one".