47124681 has 32 divisors (see below), whose sum is σ = 68152320. Its totient is φ = 28896000.

The previous prime is 47124667. The next prime is 47124683. The reversal of 47124681 is 18642174.

It is not a de Polignac number, because 47124681 - 2⁹ = 47124169 is a prime.

It is a super-2 number, since 2×47124681² = 4441471118703522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47124683) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272311 + ... + 272483.

It is an arithmetic number, because the mean of its divisors is an integer number (2129760).

Almost surely, 2^47124681 is an apocalyptic number.

It is an amenable number.

47124681 is a deficient number, since it is larger than the sum of its proper divisors (21027639).

47124681 is a wasteful number, since it uses less digits than its factorization.

47124681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its digits is 10752, while the sum is 33.

The square root of 47124681 is about 6864.7418742441. The cubic root of 47124681 is about 361.2014411728.

It can be divided in two parts, 471 and 24681, that added together give a palindrome (25152).

The spelling of 47124681 in words is "forty-seven million, one hundred twenty-four thousand, six hundred eighty-one".