71952772 has 24 divisors (see below), whose sum is σ = 140343840. Its totient is φ = 32077440.

The previous prime is 71952709. The next prime is 71952773. The reversal of 71952772 is 27725917.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (71952773) 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, 26554 + ... + 29137.

It is an arithmetic number, because the mean of its divisors is an integer number (5847660).

Almost surely, 2^71952772 is an apocalyptic number.

It is an amenable number.

71952772 is a deficient number, since it is larger than the sum of its proper divisors (68391068).

71952772 is a wasteful number, since it uses less digits than its factorization.

71952772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55731 (or 55729 counting only the distinct ones).

The product of its digits is 61740, while the sum is 40.

The square root of 71952772 is about 8482.4979811374. The cubic root of 71952772 is about 415.9257834194.

The spelling of 71952772 in words is "seventy-one million, nine hundred fifty-two thousand, seven hundred seventy-two".