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71454 = 2311909

71454 has 8 divisors (see below), whose sum is σ = 142920. Its totient is φ = 23816.

The previous prime is 71453. The next prime is 71471. The reversal of 71454 is 45417.

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

71454 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 71454.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 71454.

It is not an unprimeable number, because it can be changed into a prime (71453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5949 + ... + 5960.

It is an arithmetic number, because the mean of its divisors is an integer number (17865).

271454 is an apocalyptic number.

71454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71460).

71454 is a wasteful number, since it uses less digits than its factorization.

71454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11914.

The product of its digits is 560, while the sum is 21.

The square root of 71454 is about 267.3088101803. The cubic root of 71454 is about 41.4962497216.

It can be divided in two parts, 71 and 454, that added together give a palindrome (525).

The spelling of 71454 in words is "seventy-one thousand, four hundred fifty-four".

Divisors: 1 2 3 6 11909 23818 35727 71454