71572096 has 16 divisors (see below), whose sum is σ = 142585290. Its totient is φ = 35785984.

The previous prime is 71572063. The next prime is 71572099. The reversal of 71572096 is 69027517.

It can be written as a sum of positive squares in only one way, i.e., 68558400 + 3013696 = 8280^2 + 1736^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (71572099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279451 + ... + 279706.

Almost surely, 2^71572096 is an apocalyptic number.

It is an amenable number.

71572096 is a deficient number, since it is larger than the sum of its proper divisors (71013194).

71572096 is an equidigital number, since it uses as much as digits as its factorization.

71572096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559171 (or 559159 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 71572096 is about 8460.0293143700. The cubic root of 71572096 is about 415.1909819186.

The spelling of 71572096 in words is "seventy-one million, five hundred seventy-two thousand, ninety-six".