7284872 has 16 divisors (see below), whose sum is σ = 15610560. Its totient is φ = 3122064.

The previous prime is 7284869. The next prime is 7284877. The reversal of 7284872 is 2784827.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (7284877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64988 + ... + 65099.

It is an arithmetic number, because the mean of its divisors is an integer number (975660).

Almost surely, 2^7284872 is an apocalyptic number.

It is an amenable number.

7284872 is an abundant number, since it is smaller than the sum of its proper divisors (8325688).

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

7284872 is a wasteful number, since it uses less digits than its factorization.

7284872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130100 (or 130096 counting only the distinct ones).

The product of its digits is 50176, while the sum is 38.

The square root of 7284872 is about 2699.0502033123. The cubic root of 7284872 is about 193.8536466601.

It can be divided in two parts, 72 and 84872, that multiplied together give a square (6110784 = 2472²).

The spelling of 7284872 in words is "seven million, two hundred eighty-four thousand, eight hundred seventy-two".