4272840 has 192 divisors, whose sum is σ = 16511040. Its totient is φ = 944640.

The previous prime is 4272833. The next prime is 4272841. The reversal of 4272840 is 482724.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4272841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51439 + ... + 51521.

It is an arithmetic number, because the mean of its divisors is an integer number (85995).

Almost surely, 2^4272840 is an apocalyptic number.

4272840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4272840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8255520).

4272840 is an abundant number, since it is smaller than the sum of its proper divisors (12238200).

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

4272840 is a wasteful number, since it uses less digits than its factorization.

4272840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 4272840 is about 2067.0849039166. The cubic root of 4272840 is about 162.2702393945.

The spelling of 4272840 in words is "four million, two hundred seventy-two thousand, eight hundred forty".