4140172 has 6 divisors (see below), whose sum is σ = 7245308. Its totient is φ = 2070084.

The previous prime is 4140133. The next prime is 4140173. The reversal of 4140172 is 2710414.

It is not an unprimeable number, because it can be changed into a prime (4140173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517518 + ... + 517525.

Almost surely, 2^4140172 is an apocalyptic number.

It is an amenable number.

4140172 is a deficient number, since it is larger than the sum of its proper divisors (3105136).

4140172 is a wasteful number, since it uses less digits than its factorization.

4140172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035047 (or 1035045 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 4140172 is about 2034.7412611927. The cubic root of 4140172 is about 160.5731010192.

Adding to 4140172 its reverse (2710414), we get a palindrome (6850586).

The spelling of 4140172 in words is "four million, one hundred forty thousand, one hundred seventy-two".