7220376 has 72 divisors (see below), whose sum is σ = 20833020. Its totient is φ = 2258688.

The previous prime is 7220371. The next prime is 7220377. The reversal of 7220376 is 6730227.

It is a tau number, because it is divible by the number of its divisors (72).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7220371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20635 + ... + 20981.

Almost surely, 2^7220376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7220376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10416510).

7220376 is an abundant number, since it is smaller than the sum of its proper divisors (13612644).

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

7220376 is a wasteful number, since it uses less digits than its factorization.

7220376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 7220376 is about 2687.0757339532. The cubic root of 7220376 is about 193.2798610212.

The spelling of 7220376 in words is "seven million, two hundred twenty thousand, three hundred seventy-six".