47133641 has 4 divisors (see below), whose sum is σ = 48283284. Its totient is φ = 45984000.

The previous prime is 47133587. The next prime is 47133659. The reversal of 47133641 is 14633174.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14633174 = 2 ⋅7316587.

It can be written as a sum of positive squares in 2 ways, for example, as 23319241 + 23814400 = 4829^2 + 4880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47133641 is a prime.

It is a super-2 number, since 2×47133641² = 4443160227833762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47133241) 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, 574760 + ... + 574841.

It is an arithmetic number, because the mean of its divisors is an integer number (12070821).

Almost surely, 2^47133641 is an apocalyptic number.

47133641 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

47133641 is a deficient number, since it is larger than the sum of its proper divisors (1149643).

47133641 is a wasteful number, since it uses less digits than its factorization.

47133641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149642.

The product of its digits is 6048, while the sum is 29.

The square root of 47133641 is about 6865.3944533435. The cubic root of 47133641 is about 361.2243319366.

It can be divided in two parts, 47133 and 641, that added together give a palindrome (47774).

The spelling of 47133641 in words is "forty-seven million, one hundred thirty-three thousand, six hundred forty-one".