71452000 has 48 divisors (see below), whose sum is σ = 175567392. Its totient is φ = 28579200.

The previous prime is 71451997. The next prime is 71452001. The reversal of 71452000 is 25417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71452001) 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, 4932 + ... + 12931.

It is an arithmetic number, because the mean of its divisors is an integer number (3657654).

Almost surely, 2^71452000 is an apocalyptic number.

It is an amenable number.

71452000 is an abundant number, since it is smaller than the sum of its proper divisors (104115392).

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

71452000 is a wasteful number, since it uses less digits than its factorization.

71452000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17888 (or 17870 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 71452000 is about 8452.9284866252. The cubic root of 71452000 is about 414.9586255747.

Adding to 71452000 its reverse (25417), we get a palindrome (71477417).

The spelling of 71452000 in words is "seventy-one million, four hundred fifty-two thousand".