71340678 has 24 divisors (see below), whose sum is σ = 154728288. Its totient is φ = 23756112.

The previous prime is 71340673. The next prime is 71340701. The reversal of 71340678 is 87604317.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71340671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30051 + ... + 32337.

It is an arithmetic number, because the mean of its divisors is an integer number (6447012).

Almost surely, 2^71340678 is an apocalyptic number.

71340678 is an abundant number, since it is smaller than the sum of its proper divisors (83387610).

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

71340678 is a wasteful number, since it uses less digits than its factorization.

71340678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028 (or 4025 counting only the distinct ones).

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

The square root of 71340678 is about 8446.3411013290. The cubic root of 71340678 is about 414.7430121328.

The spelling of 71340678 in words is "seventy-one million, three hundred forty thousand, six hundred seventy-eight".