71449347 has 8 divisors (see below), whose sum is σ = 97589520. Its totient is φ = 46471040.

The previous prime is 71449337. The next prime is 71449379. The reversal of 71449347 is 74394417.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 71449347 - 2⁷ = 71449219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71449307) 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, 290322 + ... + 290567.

It is an arithmetic number, because the mean of its divisors is an integer number (12198690).

Almost surely, 2^71449347 is an apocalyptic number.

71449347 is a deficient number, since it is larger than the sum of its proper divisors (26140173).

71449347 is a wasteful number, since it uses less digits than its factorization.

71449347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580933.

The product of its digits is 84672, while the sum is 39.

The square root of 71449347 is about 8452.7715573059. The cubic root of 71449347 is about 414.9534897313.

The spelling of 71449347 in words is "seventy-one million, four hundred forty-nine thousand, three hundred forty-seven".