7216878 has 8 divisors (see below), whose sum is σ = 14433768. Its totient is φ = 2405624.

The previous prime is 7216837. The next prime is 7216879. The reversal of 7216878 is 8786127.

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

7216878 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7216879) 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, 601401 + ... + 601412.

It is an arithmetic number, because the mean of its divisors is an integer number (1804221).

Almost surely, 2^7216878 is an apocalyptic number.

7216878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7216878 is a wasteful number, since it uses less digits than its factorization.

7216878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202818.

The product of its digits is 37632, while the sum is 39.

The square root of 7216878 is about 2686.4247616488. The cubic root of 7216878 is about 193.2486437104.

The spelling of 7216878 in words is "seven million, two hundred sixteen thousand, eight hundred seventy-eight".