7486740 has 36 divisors (see below), whose sum is σ = 22710324. Its totient is φ = 1996416.

The previous prime is 7486733. The next prime is 7486747. The reversal of 7486740 is 476847.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7486733) and next prime (7486747).

It can be written as a sum of positive squares in 2 ways, for example, as 2039184 + 5447556 = 1428^2 + 2334^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 7486695 and 7486704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7486747) 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 11 ways as a sum of consecutive naturals, for example, 20617 + ... + 20976.

Almost surely, 2^7486740 is an apocalyptic number.

It is an amenable number.

7486740 is an abundant number, since it is smaller than the sum of its proper divisors (15223584).

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

7486740 is a wasteful number, since it uses less digits than its factorization.

7486740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41608 (or 41603 counting only the distinct ones).

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

The square root of 7486740 is about 2736.1907828220. The cubic root of 7486740 is about 195.6279559074.

The spelling of 7486740 in words is "seven million, four hundred eighty-six thousand, seven hundred forty".