7775072 has 12 divisors (see below), whose sum is σ = 15307236. Its totient is φ = 3887520.

The previous prime is 7775071. The next prime is 7775077. The reversal of 7775072 is 2705777.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7775071) 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 as a sum of consecutive naturals, namely, 121454 + ... + 121517.

It is an arithmetic number, because the mean of its divisors is an integer number (1275603).

Almost surely, 2^7775072 is an apocalyptic number.

It is an amenable number.

7775072 is a deficient number, since it is larger than the sum of its proper divisors (7532164).

7775072 is a wasteful number, since it uses less digits than its factorization.

7775072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242981 (or 242973 counting only the distinct ones).

The product of its (nonzero) digits is 24010, while the sum is 35.

The square root of 7775072 is about 2788.3816094645. The cubic root of 7775072 is about 198.1077534769.

The spelling of 7775072 in words is "seven million, seven hundred seventy-five thousand, seventy-two".