71676928 has 22 divisors (see below), whose sum is σ = 143285906. Its totient is φ = 35837952.

The previous prime is 71676923. The next prime is 71676931. The reversal of 71676928 is 82967617.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 68690944 + 2985984 = 8288^2 + 1728^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71676923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33975 + ... + 36022.

Almost surely, 2^71676928 is an apocalyptic number.

It is an amenable number.

71676928 is a deficient number, since it is larger than the sum of its proper divisors (71608978).

71676928 is an equidigital number, since it uses as much as digits as its factorization.

71676928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70017 (or 69999 counting only the distinct ones).

The product of its digits is 254016, while the sum is 46.

The square root of 71676928 is about 8466.2227705158. Note that the first 3 decimals coincide. The cubic root of 71676928 is about 415.3935937843.

The spelling of 71676928 in words is "seventy-one million, six hundred seventy-six thousand, nine hundred twenty-eight".