7155264 has 56 divisors (see below), whose sum is σ = 19202400. Its totient is φ = 2351104.

The previous prime is 7155217. The next prime is 7155271. The reversal of 7155264 is 4625517.

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, 15712 + ... + 16160.

It is an arithmetic number, because the mean of its divisors is an integer number (342900).

Almost surely, 2^7155264 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 7155264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9601200).

7155264 is an abundant number, since it is smaller than the sum of its proper divisors (12047136).

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

7155264 is a wasteful number, since it uses less digits than its factorization.

7155264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547 (or 537 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 7155264 is about 2674.9325225134. The cubic root of 7155264 is about 192.6971185981.

The spelling of 7155264 in words is "seven million, one hundred fifty-five thousand, two hundred sixty-four".