47261312 has 32 divisors (see below), whose sum is σ = 107605920. Its totient is φ = 20254464.

The previous prime is 47261311. The next prime is 47261327. The reversal of 47261312 is 21316274.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×47261312² = 4467263223922688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47261311) 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, 25478 + ... + 27269.

It is an arithmetic number, because the mean of its divisors is an integer number (3362685).

Almost surely, 2^47261312 is an apocalyptic number.

It is an amenable number.

47261312 is an abundant number, since it is smaller than the sum of its proper divisors (60344608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47261312 is an equidigital number, since it uses as much as digits as its factorization.

47261312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52768 (or 52756 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 47261312 is about 6874.6863201167. The cubic root of 47261312 is about 361.5501876198.

Adding to 47261312 its reverse (21316274), we get a palindrome (68577586).

The spelling of 47261312 in words is "forty-seven million, two hundred sixty-one thousand, three hundred twelve".