7250778 has 24 divisors (see below), whose sum is σ = 15912000. Its totient is φ = 2385864.

The previous prime is 7250777. The next prime is 7250791. The reversal of 7250778 is 8770527.

It is not an unprimeable number, because it can be changed into a prime (7250777) 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 11 ways as a sum of consecutive naturals, for example, 1128 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (663000).

Almost surely, 2^7250778 is an apocalyptic number.

7250778 is an abundant number, since it is smaller than the sum of its proper divisors (8661222).

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

7250778 is a wasteful number, since it uses less digits than its factorization.

7250778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186 (or 5183 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 7250778 is about 2692.7268706648. The cubic root of 7250778 is about 193.5507548689.

The spelling of 7250778 in words is "seven million, two hundred fifty thousand, seven hundred seventy-eight".