71414437 has 4 divisors (see below), whose sum is σ = 71434476. Its totient is φ = 71394400.

The previous prime is 71414419. The next prime is 71414449. The reversal of 71414437 is 73441417.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51065316 + 20349121 = 7146^2 + 4511^2 .

It is a cyclic number.

It is not a de Polignac number, because 71414437 - 2⁷ = 71414309 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 71414399 and 71414408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71414417) 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, 3064 + ... + 12337.

It is an arithmetic number, because the mean of its divisors is an integer number (17858619).

Almost surely, 2^71414437 is an apocalyptic number.

It is an amenable number.

71414437 is a deficient number, since it is larger than the sum of its proper divisors (20039).

71414437 is a wasteful number, since it uses less digits than its factorization.

71414437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20038.

The product of its digits is 9408, while the sum is 31.

The square root of 71414437 is about 8450.7063018425. The cubic root of 71414437 is about 414.8858969220.

It can be divided in two parts, 714 and 14437, that added together give a palindrome (15151).

The spelling of 71414437 in words is "seventy-one million, four hundred fourteen thousand, four hundred thirty-seven".