7726920 has 64 divisors (see below), whose sum is σ = 24408000. Its totient is φ = 1951488.

The previous prime is 7726913. The next prime is 7726921. The reversal of 7726920 is 296277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7726921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 586 + ... + 3974.

It is an arithmetic number, because the mean of its divisors is an integer number (381375).

Almost surely, 2^7726920 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 7726920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12204000).

7726920 is an abundant number, since it is smaller than the sum of its proper divisors (16681080).

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

7726920 is a wasteful number, since it uses less digits than its factorization.

7726920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422 (or 3418 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 7726920 is about 2779.7338002046. The cubic root of 7726920 is about 197.6979375402.

It can be divided in two parts, 7726 and 920, that added together give a triangular number (8646 = T₁₃₁).

The spelling of 7726920 in words is "seven million, seven hundred twenty-six thousand, nine hundred twenty".