71452371 has 4 divisors (see below), whose sum is σ = 95269832. Its totient is φ = 47634912.

The previous prime is 71452333. The next prime is 71452373. The reversal of 71452371 is 17325417.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 71452371 - 2⁶ = 71452307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71452373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11908726 + ... + 11908731.

It is an arithmetic number, because the mean of its divisors is an integer number (23817458).

Almost surely, 2^71452371 is an apocalyptic number.

71452371 is a deficient number, since it is larger than the sum of its proper divisors (23817461).

71452371 is a wasteful number, since it uses less digits than its factorization.

71452371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23817460.

The product of its digits is 5880, while the sum is 30.

The square root of 71452371 is about 8452.9504316540. The cubic root of 71452371 is about 414.9593437696.

Adding to 71452371 its reverse (17325417), we get a palindrome (88777788).

The spelling of 71452371 in words is "seventy-one million, four hundred fifty-two thousand, three hundred seventy-one".