4640272 has 40 divisors (see below), whose sum is σ = 11068736. Its totient is φ = 1835136.

The previous prime is 4640267. The next prime is 4640287. The reversal of 4640272 is 2720464.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138 + ... + 3049.

Almost surely, 2^4640272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4640272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5534368).

4640272 is an abundant number, since it is smaller than the sum of its proper divisors (6428464).

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

4640272 is a wasteful number, since it uses less digits than its factorization.

4640272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3215 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 4640272 is about 2154.1290583435. The cubic root of 4640272 is about 166.7942773792.

The spelling of 4640272 in words is "four million, six hundred forty thousand, two hundred seventy-two".