7072287 has 8 divisors (see below), whose sum is σ = 9465600. Its totient is φ = 4696920.

The previous prime is 7072277. The next prime is 7072321. The reversal of 7072287 is 7822707.

It is a happy number.

7072287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7072287 - 2⁸ = 7072031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3537 + ... + 5162.

It is an arithmetic number, because the mean of its divisors is an integer number (1183200).

Almost surely, 2^7072287 is an apocalyptic number.

7072287 is a deficient number, since it is larger than the sum of its proper divisors (2393313).

7072287 is a wasteful number, since it uses less digits than its factorization.

7072287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973.

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

The square root of 7072287 is about 2659.3771827253. The cubic root of 7072287 is about 191.9493410185.

The spelling of 7072287 in words is "seven million, seventy-two thousand, two hundred eighty-seven".