71941953 has 32 divisors (see below), whose sum is σ = 104659200. Its totient is φ = 43819776.

The previous prime is 71941937. The next prime is 71941963. The reversal of 71941953 is 35914917.

It is a happy number.

It is not a de Polignac number, because 71941953 - 2⁴ = 71941937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71941963) 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 31 ways as a sum of consecutive naturals, for example, 314043 + ... + 314271.

It is an arithmetic number, because the mean of its divisors is an integer number (3270600).

Almost surely, 2^71941953 is an apocalyptic number.

It is an amenable number.

71941953 is a deficient number, since it is larger than the sum of its proper divisors (32717247).

71941953 is a wasteful number, since it uses less digits than its factorization.

71941953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 34020, while the sum is 39.

The square root of 71941953 is about 8481.8602322840. The cubic root of 71941953 is about 415.9049358251.

The spelling of 71941953 in words is "seventy-one million, nine hundred forty-one thousand, nine hundred fifty-three".