47340678 has 64 divisors (see below), whose sum is σ = 120840192. Its totient is φ = 12005280.

The previous prime is 47340661. The next prime is 47340679. The reversal of 47340678 is 87604374.

It is a happy number.

It is a super-2 number, since 2×47340678² = 4482279586999368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47340679) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18675 + ... + 21057.

It is an arithmetic number, because the mean of its divisors is an integer number (1888128).

Almost surely, 2^47340678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47340678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60420096).

47340678 is an abundant number, since it is smaller than the sum of its proper divisors (73499514).

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

47340678 is a wasteful number, since it uses less digits than its factorization.

47340678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2449.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 47340678 is about 6880.4562348728. The cubic root of 47340678 is about 361.7524583817.

It can be divided in two parts, 47 and 340678, that added together give a triangular number (340725 = T₈₂₅).

The spelling of 47340678 in words is "forty-seven million, three hundred forty thousand, six hundred seventy-eight".