71454000 has 80 divisors (see below), whose sum is σ = 230387040. Its totient is φ = 19052800.

The previous prime is 71453989. The next prime is 71454001. The reversal of 71454000 is 45417.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (71454001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (2879838).

Almost surely, 2^71454000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71454000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115193520).

71454000 is an abundant number, since it is smaller than the sum of its proper divisors (158933040).

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

71454000 is a wasteful number, since it uses less digits than its factorization.

71454000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11935 (or 11919 counting only the distinct ones).

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

The square root of 71454000 is about 8453.0467879931. The cubic root of 71454000 is about 414.9624972159.

Adding to 71454000 its reverse (45417), we get a palindrome (71499417).

The spelling of 71454000 in words is "seventy-one million, four hundred fifty-four thousand".