47739678 has 16 divisors (see below), whose sum is σ = 109119360. Its totient is φ = 13639896.

The previous prime is 47739677. The next prime is 47739683. The reversal of 47739678 is 87693774.

It is a self number, because there is not a number n which added to its sum of digits gives 47739678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47739677) 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, 568288 + ... + 568371.

It is an arithmetic number, because the mean of its divisors is an integer number (6819960).

Almost surely, 2^47739678 is an apocalyptic number.

47739678 is an abundant number, since it is smaller than the sum of its proper divisors (61379682).

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

47739678 is a wasteful number, since it uses less digits than its factorization.

47739678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136671.

The product of its digits is 1778112, while the sum is 51.

The square root of 47739678 is about 6909.3905664682. The cubic root of 47739678 is about 362.7659321716.

The spelling of 47739678 in words is "forty-seven million, seven hundred thirty-nine thousand, six hundred seventy-eight".