47136078 has 48 divisors (see below), whose sum is σ = 115268400. Its totient is φ = 13789440.

The previous prime is 47136077. The next prime is 47136079. The reversal of 47136078 is 87063174.

47136078 is a `hidden beast` number, since 47 + 1 + 3 + 607 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (47136077) and next prime (47136079).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47136071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1638 + ... + 9846.

It is an arithmetic number, because the mean of its divisors is an integer number (2401425).

Almost surely, 2^47136078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47136078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57634200).

47136078 is an abundant number, since it is smaller than the sum of its proper divisors (68132322).

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

47136078 is a wasteful number, since it uses less digits than its factorization.

47136078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8257 (or 8254 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 47136078 is about 6865.5719353889. The cubic root of 47136078 is about 361.2305574160.

The spelling of 47136078 in words is "forty-seven million, one hundred thirty-six thousand, seventy-eight".