71154479 has 8 divisors (see below), whose sum is σ = 80998272. Its totient is φ = 61873240.

The previous prime is 71154467. The next prime is 71154481. The reversal of 71154479 is 97445117.

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

It is not a de Polignac number, because 71154479 - 2⁴ = 71154463 is a prime.

It is a super-2 number, since 2×71154479² = 10125919763522882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71154409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140369 + ... + 140874.

It is an arithmetic number, because the mean of its divisors is an integer number (10124784).

Almost surely, 2^71154479 is an apocalyptic number.

71154479 is a deficient number, since it is larger than the sum of its proper divisors (9843793).

71154479 is a wasteful number, since it uses less digits than its factorization.

71154479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281277.

The product of its digits is 35280, while the sum is 38.

The square root of 71154479 is about 8435.3114346774. The cubic root of 71154479 is about 414.3818716665.

The spelling of 71154479 in words is "seventy-one million, one hundred fifty-four thousand, four hundred seventy-nine".