47134878 has 16 divisors (see below), whose sum is σ = 107736960. Its totient is φ = 13467096.

The previous prime is 47134853. The next prime is 47134903. The reversal of 47134878 is 87843174.

It is an interprime number because it is at equal distance from previous prime (47134853) and next prime (47134903).

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1122259 = 47134878 / (4 + 7 + 1 + 3 + 4 + 8 + 7 + 8).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 561088 + ... + 561171.

It is an arithmetic number, because the mean of its divisors is an integer number (6733560).

Almost surely, 2^47134878 is an apocalyptic number.

47134878 is an abundant number, since it is smaller than the sum of its proper divisors (60602082).

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

47134878 is a wasteful number, since it uses less digits than its factorization.

47134878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122271.

The product of its digits is 150528, while the sum is 42.

The square root of 47134878 is about 6865.4845422592. The cubic root of 47134878 is about 361.2274919626.

It can be divided in two parts, 4713 and 4878, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 47134878 in words is "forty-seven million, one hundred thirty-four thousand, eight hundred seventy-eight".