4540172 has 24 divisors (see below), whose sum is σ = 9779616. Its totient is φ = 1795968.

The previous prime is 4540171. The next prime is 4540181. The reversal of 4540172 is 2710454.

It is a super-2 number, since 2×4540172² = 41226323579168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4540171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5873 + ... + 6600.

It is an arithmetic number, because the mean of its divisors is an integer number (407484).

Almost surely, 2^4540172 is an apocalyptic number.

It is an amenable number.

4540172 is an abundant number, since it is smaller than the sum of its proper divisors (5239444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4540172 is a wasteful number, since it uses less digits than its factorization.

4540172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12497 (or 12495 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 4540172 is about 2130.7679366839. The cubic root of 4540172 is about 165.5861856120.

The spelling of 4540172 in words is "four million, five hundred forty thousand, one hundred seventy-two".