47255712 has 48 divisors (see below), whose sum is σ = 141769152. Its totient is φ = 13501440.

The previous prime is 47255711. The next prime is 47255729. The reversal of 47255712 is 21755274.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47255711) 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, 34489 + ... + 35832.

It is an arithmetic number, because the mean of its divisors is an integer number (2953524).

Almost surely, 2^47255712 is an apocalyptic number.

47255712 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

47255712 is an abundant number, since it is smaller than the sum of its proper divisors (94513440).

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

47255712 is a wasteful number, since it uses less digits than its factorization.

47255712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70341 (or 70333 counting only the distinct ones).

The product of its digits is 19600, while the sum is 33.

The square root of 47255712 is about 6874.2790167406. The cubic root of 47255712 is about 361.5359070103.

The spelling of 47255712 in words is "forty-seven million, two hundred fifty-five thousand, seven hundred twelve".