8081572 has 6 divisors (see below), whose sum is σ = 14142758. Its totient is φ = 4040784.

The previous prime is 8081569. The next prime is 8081573. The reversal of 8081572 is 2751808.

It can be written as a sum of positive squares in only one way, i.e., 7873636 + 207936 = 2806^2 + 456^2 .

It is not an unprimeable number, because it can be changed into a prime (8081573) 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 as a sum of consecutive naturals, namely, 1010193 + ... + 1010200.

Almost surely, 2^8081572 is an apocalyptic number.

It is an amenable number.

8081572 is a deficient number, since it is larger than the sum of its proper divisors (6061186).

8081572 is a wasteful number, since it uses less digits than its factorization.

8081572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020397 (or 2020395 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 8081572 is about 2842.8105810975. The cubic root of 8081572 is about 200.6774692526.

The spelling of 8081572 in words is "eight million, eighty-one thousand, five hundred seventy-two".