71451413 has 12 divisors (see below), whose sum is σ = 79182432. Its totient is φ = 63942120.

The previous prime is 71451407. The next prime is 71451427. The reversal of 71451413 is 31415417.

It is not a de Polignac number, because 71451413 - 2⁶ = 71451349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71451613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48656 + ... + 50102.

It is an arithmetic number, because the mean of its divisors is an integer number (6598536).

Almost surely, 2^71451413 is an apocalyptic number.

It is an amenable number.

71451413 is a deficient number, since it is larger than the sum of its proper divisors (7731019).

71451413 is a wasteful number, since it uses less digits than its factorization.

71451413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1525 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 71451413 is about 8452.8937648595. The cubic root of 71451413 is about 414.9574892343.

It can be divided in two parts, 7145 and 1413, that added together give a palindrome (8558).

The spelling of 71451413 in words is "seventy-one million, four hundred fifty-one thousand, four hundred thirteen".