7806474 has 48 divisors (see below), whose sum is σ = 18505032. Its totient is φ = 2363904.

The previous prime is 7806439. The next prime is 7806479. The reversal of 7806474 is 4746087.

It is a happy number.

7806474 is a `hidden beast` number, since 7 + 8 + 0 + 647 + 4 = 666.

7806474 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6890625 + 915849 = 2625^2 + 957^2 .

It is not an unprimeable number, because it can be changed into a prime (7806479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16854 + ... + 17310.

Almost surely, 2^7806474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7806474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9252516).

7806474 is an abundant number, since it is smaller than the sum of its proper divisors (10698558).

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

7806474 is a wasteful number, since it uses less digits than its factorization.

7806474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 7806474 is about 2794.0068002781. The cubic root of 7806474 is about 198.3741014202.

The spelling of 7806474 in words is "seven million, eight hundred six thousand, four hundred seventy-four".