47040312 has 32 divisors (see below), whose sum is σ = 128292480. Its totient is φ = 14254560.

The previous prime is 47040311. The next prime is 47040347. The reversal of 47040312 is 21304074.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47040311) 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, 88828 + ... + 89355.

It is an arithmetic number, because the mean of its divisors is an integer number (4009140).

Almost surely, 2^47040312 is an apocalyptic number.

It is an amenable number.

47040312 is an abundant number, since it is smaller than the sum of its proper divisors (81252168).

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

47040312 is a wasteful number, since it uses less digits than its factorization.

47040312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178203 (or 178199 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 47040312 is about 6858.5940250171. The cubic root of 47040312 is about 360.9857551232.

Adding to 47040312 its reverse (21304074), we get a palindrome (68344386).

The spelling of 47040312 in words is "forty-seven million, forty thousand, three hundred twelve".