7216890 has 32 divisors (see below), whose sum is σ = 17487360. Its totient is φ = 1905984.

The previous prime is 7216889. The next prime is 7216919. The reversal of 7216890 is 986127.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2167 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (546480).

Almost surely, 2^7216890 is an apocalyptic number.

7216890 is an abundant number, since it is smaller than the sum of its proper divisors (10270470).

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

7216890 is a wasteful number, since it uses less digits than its factorization.

7216890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 7216890 is about 2686.4269950996. The cubic root of 7216890 is about 193.2487508196.

The spelling of 7216890 in words is "seven million, two hundred sixteen thousand, eight hundred ninety".