8457572 has 6 divisors (see below), whose sum is σ = 14800758. Its totient is φ = 4228784.

The previous prime is 8457563. The next prime is 8457577. The reversal of 8457572 is 2757548.

It can be written as a sum of positive squares in only one way, i.e., 8386816 + 70756 = 2896^2 + 266^2 .

It is a d-powerful number, because it can be written as 8⁴ + 4 + 5⁶ + 7⁵ + 5⁶ + 7⁵ + 2²³ .

It is not an unprimeable number, because it can be changed into a prime (8457577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057193 + ... + 1057200.

It is an arithmetic number, because the mean of its divisors is an integer number (2466793).

Almost surely, 2^8457572 is an apocalyptic number.

It is an amenable number.

8457572 is a deficient number, since it is larger than the sum of its proper divisors (6343186).

8457572 is a wasteful number, since it uses less digits than its factorization.

8457572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114397 (or 2114395 counting only the distinct ones).

The product of its digits is 78400, while the sum is 38.

The square root of 8457572 is about 2908.1905027009. The cubic root of 8457572 is about 203.7426268550.

The spelling of 8457572 in words is "eight million, four hundred fifty-seven thousand, five hundred seventy-two".