4172540 has 12 divisors (see below), whose sum is σ = 8762376. Its totient is φ = 1669008.

The previous prime is 4172537. The next prime is 4172551. The reversal of 4172540 is 452714.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104294 + ... + 104333.

It is an arithmetic number, because the mean of its divisors is an integer number (730198).

Almost surely, 2^4172540 is an apocalyptic number.

It is an amenable number.

4172540 is an abundant number, since it is smaller than the sum of its proper divisors (4589836).

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

4172540 is a wasteful number, since it uses less digits than its factorization.

4172540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208636 (or 208634 counting only the distinct ones).

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

The square root of 4172540 is about 2042.6796126657. The cubic root of 4172540 is about 160.9904704826.

The spelling of 4172540 in words is "four million, one hundred seventy-two thousand, five hundred forty".