71050507 has 8 divisors (see below), whose sum is σ = 78005232. Its totient is φ = 64178400.

The previous prime is 71050459. The next prime is 71050513. The reversal of 71050507 is 70505017.

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

It is not a de Polignac number, because 71050507 - 2¹¹ = 71048459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71050517) 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, 18844 + ... + 22297.

It is an arithmetic number, because the mean of its divisors is an integer number (9750654).

Almost surely, 2^71050507 is an apocalyptic number.

71050507 is a deficient number, since it is larger than the sum of its proper divisors (6954725).

71050507 is a wasteful number, since it uses less digits than its factorization.

71050507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41309.

The product of its (nonzero) digits is 1225, while the sum is 25.

The square root of 71050507 is about 8429.1462794283. The cubic root of 71050507 is about 414.1799395948.

Subtracting from 71050507 its reverse (70505017), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 71050507 in words is "seventy-one million, fifty thousand, five hundred seven".