4572840 has 64 divisors (see below), whose sum is σ = 13996800. Its totient is φ = 1194752.

The previous prime is 4572833. The next prime is 4572899. The reversal of 4572840 is 482754.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4572798 and 4572807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6001 + ... + 6719.

It is an arithmetic number, because the mean of its divisors is an integer number (218700).

Almost surely, 2^4572840 is an apocalyptic number.

4572840 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 4572840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6998400).

4572840 is an abundant number, since it is smaller than the sum of its proper divisors (9423960).

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

4572840 is a wasteful number, since it uses less digits than its factorization.

4572840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 4572840 is about 2138.4199774600. The cubic root of 4572840 is about 165.9823855118.

The spelling of 4572840 in words is "four million, five hundred seventy-two thousand, eight hundred forty".