71190953 has 4 divisors (see below), whose sum is σ = 71241600. Its totient is φ = 71140308.

The previous prime is 71190943. The next prime is 71190971. The reversal of 71190953 is 35909117.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 71190953 - 2⁴ = 71190937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71190943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23153 + ... + 26046.

It is an arithmetic number, because the mean of its divisors is an integer number (17810400).

Almost surely, 2^71190953 is an apocalyptic number.

It is an amenable number.

71190953 is a deficient number, since it is larger than the sum of its proper divisors (50647).

71190953 is a wasteful number, since it uses less digits than its factorization.

71190953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50646.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 71190953 is about 8437.4731406980. The cubic root of 71190953 is about 414.4526640364.

The spelling of 71190953 in words is "seventy-one million, one hundred ninety thousand, nine hundred fifty-three".