7486538 has 4 divisors (see below), whose sum is σ = 11229810. Its totient is φ = 3743268.

The previous prime is 7486537. The next prime is 7486541. The reversal of 7486538 is 8356847.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5031049 + 2455489 = 2243^2 + 1567^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7486495 and 7486504.

It is not an unprimeable number, because it can be changed into a prime (7486537) 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, 1871633 + ... + 1871636.

Almost surely, 2^7486538 is an apocalyptic number.

7486538 is a deficient number, since it is larger than the sum of its proper divisors (3743272).

7486538 is a wasteful number, since it uses less digits than its factorization.

7486538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743271.

The product of its digits is 161280, while the sum is 41.

The square root of 7486538 is about 2736.1538699423. The cubic root of 7486538 is about 195.6261964766.

The spelling of 7486538 in words is "seven million, four hundred eighty-six thousand, five hundred thirty-eight".