7201776 has 40 divisors (see below), whose sum is σ = 18927360. Its totient is φ = 2358976.

The previous prime is 7201759. The next prime is 7201793. The reversal of 7201776 is 6771027.

It is a happy number.

7201776 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7201759) and next prime (7201793).

It is an Ulam number.

It is a congruent number.

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, 1561 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (473184).

Almost surely, 2^7201776 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 7201776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9463680).

7201776 is an abundant number, since it is smaller than the sum of its proper divisors (11725584).

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

7201776 is a wasteful number, since it uses less digits than its factorization.

7201776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2613 (or 2607 counting only the distinct ones).

The product of its (nonzero) digits is 4116, while the sum is 30.

The square root of 7201776 is about 2683.6124906551. The cubic root of 7201776 is about 193.1137525524.

The spelling of 7201776 in words is "seven million, two hundred one thousand, seven hundred seventy-six".