71428996 has 6 divisors (see below), whose sum is σ = 125000750. Its totient is φ = 35714496.

The previous prime is 71428963. The next prime is 71429003. The reversal of 71428996 is 69982417.

It can be written as a sum of positive squares in only one way, i.e., 65028096 + 6400900 = 8064^2 + 2530^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8928621 + ... + 8928628.

Almost surely, 2^71428996 is an apocalyptic number.

It is an amenable number.

71428996 is a deficient number, since it is larger than the sum of its proper divisors (53571754).

71428996 is a wasteful number, since it uses less digits than its factorization.

71428996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17857253 (or 17857251 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 71428996 is about 8451.5676652323. The cubic root of 71428996 is about 414.9140887630.

The spelling of 71428996 in words is "seventy-one million, four hundred twenty-eight thousand, nine hundred ninety-six".