47542812 has 36 divisors (see below), whose sum is σ = 117851160. Its totient is φ = 14914304.

The previous prime is 47542811. The next prime is 47542823. The reversal of 47542812 is 21824574.

47542812 = T₄₂₃ + T₄₂₄ + ... + T₇₁₁.

47542812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47542811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3387 + ... + 10322.

Almost surely, 2^47542812 is an apocalyptic number.

It is an amenable number.

47542812 is an abundant number, since it is smaller than the sum of its proper divisors (70308348).

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

47542812 is a wasteful number, since it uses less digits than its factorization.

47542812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13750 (or 13731 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 47542812 is about 6895.1295854393. The cubic root of 47542812 is about 362.2665944167.

The spelling of 47542812 in words is "forty-seven million, five hundred forty-two thousand, eight hundred twelve".