7255872 has 224 divisors, whose sum is σ = 25603200. Its totient is φ = 1990656.

The previous prime is 7255867. The next prime is 7255883. The reversal of 7255872 is 2785527.

7255872 is a `hidden beast` number, since 72 + 5 + 587 + 2 = 666.

7255872 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (39200) is a multiple of the sum of its prime factors (70).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 381879 + ... + 381897.

It is an arithmetic number, because the mean of its divisors is an integer number (114300).

Almost surely, 2^7255872 is an apocalyptic number.

7255872 is a gapful number since it is divisible by the number (72) 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 7255872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12801600).

7255872 is an abundant number, since it is smaller than the sum of its proper divisors (18347328).

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

7255872 is a wasteful number, since it uses less digits than its factorization.

7255872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70 (or 54 counting only the distinct ones).

The product of its digits is 39200, while the sum is 36.

The square root of 7255872 is about 2693.6725858946. The cubic root of 7255872 is about 193.5960703162.

The spelling of 7255872 in words is "seven million, two hundred fifty-five thousand, eight hundred seventy-two".