8572437 has 24 divisors (see below), whose sum is σ = 13425984. Its totient is φ = 5249664.

The previous prime is 8572433. The next prime is 8572451. The reversal of 8572437 is 7342758.

It is not a de Polignac number, because 8572437 - 2² = 8572433 is a prime.

It is a super-2 number, since 2×8572437² = 146973352237938, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8572433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5928 + ... + 7230.

It is an arithmetic number, because the mean of its divisors is an integer number (559416).

Almost surely, 2^8572437 is an apocalyptic number.

It is an amenable number.

8572437 is a deficient number, since it is larger than the sum of its proper divisors (4853547).

8572437 is a wasteful number, since it uses less digits than its factorization.

8572437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1366 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 8572437 is about 2927.8724357458. The cubic root of 8572437 is about 204.6608471055.

It can be divided in two parts, 8572 and 437, that added together give a palindrome (9009).

The spelling of 8572437 in words is "eight million, five hundred seventy-two thousand, four hundred thirty-seven".