80572568 has 8 divisors (see below), whose sum is σ = 151073580. Its totient is φ = 40286280.

The previous prime is 80572567. The next prime is 80572589. The reversal of 80572568 is 86527508.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×80572568² = 12983877428229248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80572567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5035778 + ... + 5035793.

Almost surely, 2^80572568 is an apocalyptic number.

It is an amenable number.

80572568 is a deficient number, since it is larger than the sum of its proper divisors (70501012).

80572568 is a wasteful number, since it uses less digits than its factorization.

80572568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10071577 (or 10071573 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 80572568 is about 8976.2223680121. Note that the first 3 decimals coincide. The cubic root of 80572568 is about 431.9124622585.

The spelling of 80572568 in words is "eighty million, five hundred seventy-two thousand, five hundred sixty-eight".