71452 has 6 divisors (see below), whose sum is σ = 125048. Its totient is φ = 35724.

The previous prime is 71443. The next prime is 71453. The reversal of 71452 is 25417.

It is an Ulam number.

It is a congruent number.

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

71452 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8928 + ... + 8935.

2⁷¹⁴⁵² is an apocalyptic number.

It is an amenable number.

71452 is a deficient number, since it is larger than the sum of its proper divisors (53596).

71452 is a wasteful number, since it uses less digits than its factorization.

71452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17867 (or 17865 counting only the distinct ones).

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

The square root of 71452 is about 267.3050691626. The cubic root of 71452 is about 41.4958625575.

Adding to 71452 its reverse (25417), we get a palindrome (96869).

It can be divided in two parts, 714 and 52, that multiplied together give a triangular number (37128 = T₂₇₂).

The spelling of 71452 in words is "seventy-one thousand, four hundred fifty-two".