71371451 has 8 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 70352392.

The previous prime is 71371441. The next prime is 71371453. The reversal of 71371451 is 15417317.

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

It is a cyclic number.

It is not a de Polignac number, because 71371451 - 2⁶ = 71371387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71371453) 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 7 ways as a sum of consecutive naturals, for example, 56060 + ... + 57318.

It is an arithmetic number, because the mean of its divisors is an integer number (9049320).

Almost surely, 2^71371451 is an apocalyptic number.

71371451 is a deficient number, since it is larger than the sum of its proper divisors (1023109).

71371451 is a wasteful number, since it uses less digits than its factorization.

71371451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its digits is 2940, while the sum is 29.

The square root of 71371451 is about 8448.1625812954. The cubic root of 71371451 is about 414.8026370780.

Adding to 71371451 its reverse (15417317), we get a palindrome (86788768).

The spelling of 71371451 in words is "seventy-one million, three hundred seventy-one thousand, four hundred fifty-one".