7287072 has 48 divisors (see below), whose sum is σ = 20603520. Its totient is φ = 2241792.

The previous prime is 7287061. The next prime is 7287083. The reversal of 7287072 is 2707827.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7287061) and next prime (7287083).

It is a tau number, because it is divible by the number of its divisors (48).

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, 1672 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (429240).

Almost surely, 2^7287072 is an apocalyptic number.

It is an amenable number.

7287072 is an abundant number, since it is smaller than the sum of its proper divisors (13316448).

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

7287072 is a wasteful number, since it uses less digits than its factorization.

7287072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5865 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 7287072 is about 2699.4577233215. The cubic root of 7287072 is about 193.8731590185.

The spelling of 7287072 in words is "seven million, two hundred eighty-seven thousand, seventy-two".