7720052 has 12 divisors (see below), whose sum is σ = 13546596. Its totient is φ = 3849600.

The previous prime is 7720051. The next prime is 7720067. The reversal of 7720052 is 2500277.

It can be written as a sum of positive squares in 2 ways, for example, as 6990736 + 729316 = 2644^2 + 854^2 .

It is a hoax number, since the sum of its digits (23) 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 (7720051) 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 3 ways as a sum of consecutive naturals, for example, 803 + ... + 4010.

It is an arithmetic number, because the mean of its divisors is an integer number (1128883).

Almost surely, 2^7720052 is an apocalyptic number.

It is an amenable number.

7720052 is a deficient number, since it is larger than the sum of its proper divisors (5826544).

7720052 is a wasteful number, since it uses less digits than its factorization.

7720052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5218 (or 5216 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 7720052 is about 2778.4981554790. The cubic root of 7720052 is about 197.6393461946.

The spelling of 7720052 in words is "seven million, seven hundred twenty thousand, fifty-two".