71091374 has 8 divisors (see below), whose sum is σ = 106761288. Its totient is φ = 35504280.

The previous prime is 71091359. The next prime is 71091379. The reversal of 71091374 is 47319017.

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

It is a self number, because there is not a number n which added to its sum of digits gives 71091374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71091379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18512 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (13345161).

Almost surely, 2^71091374 is an apocalyptic number.

71091374 is a deficient number, since it is larger than the sum of its proper divisors (35669914).

71091374 is a wasteful number, since it uses less digits than its factorization.

71091374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41410.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 71091374 is about 8431.5700791727. The cubic root of 71091374 is about 414.2593340430.

The spelling of 71091374 in words is "seventy-one million, ninety-one thousand, three hundred seventy-four".