7006788 has 54 divisors (see below), whose sum is σ = 18930366. Its totient is φ = 2177664.

The previous prime is 7006787. The next prime is 7006799. The reversal of 7006788 is 8876007.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6594624 + 412164 = 2568^2 + 642^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7006787) 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, 65431 + ... + 65537.

Almost surely, 2^7006788 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 7006788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9465183).

7006788 is an abundant number, since it is smaller than the sum of its proper divisors (11923578).

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

7006788 is a wasteful number, since it uses less digits than its factorization.

7006788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 7006788 is about 2647.0338116465. The cubic root of 7006788 is about 191.3549315243.

The spelling of 7006788 in words is "seven million, six thousand, seven hundred eighty-eight".