71306349 has 8 divisors (see below), whose sum is σ = 96055680. Its totient is φ = 47047296.

The previous prime is 71306299. The next prime is 71306351. The reversal of 71306349 is 94360317.

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

It is not a de Polignac number, because 71306349 - 2²⁰ = 70257773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71306399) 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, 122229 + ... + 122810.

It is an arithmetic number, because the mean of its divisors is an integer number (12006960).

Almost surely, 2^71306349 is an apocalyptic number.

It is an amenable number.

71306349 is a deficient number, since it is larger than the sum of its proper divisors (24749331).

71306349 is a wasteful number, since it uses less digits than its factorization.

71306349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245139.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 71306349 is about 8444.3086750781. The cubic root of 71306349 is about 414.6764769405.

The spelling of 71306349 in words is "seventy-one million, three hundred six thousand, three hundred forty-nine".