71941772 has 24 divisors (see below), whose sum is σ = 146947584. Its totient is φ = 30175632.

The previous prime is 71941747. The next prime is 71941781. The reversal of 71941772 is 27714917.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 26018 + ... + 28649.

It is an arithmetic number, because the mean of its divisors is an integer number (6122816).

Almost surely, 2^71941772 is an apocalyptic number.

It is an amenable number.

71941772 is an abundant number, since it is smaller than the sum of its proper divisors (75005812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71941772 is a wasteful number, since it uses less digits than its factorization.

71941772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54725 (or 54723 counting only the distinct ones).

The product of its digits is 24696, while the sum is 38.

The square root of 71941772 is about 8481.8495624480. The cubic root of 71941772 is about 415.9045870307.

The spelling of 71941772 in words is "seventy-one million, nine hundred forty-one thousand, seven hundred seventy-two".