7660538 has 4 divisors (see below), whose sum is σ = 11490810. Its totient is φ = 3830268.

The previous prime is 7660531. The next prime is 7660559. The reversal of 7660538 is 8350667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8350667 = 13 ⋅642359.

It can be written as a sum of positive squares in only one way, i.e., 7166329 + 494209 = 2677^2 + 703^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7660498 and 7660507.

It is not an unprimeable number, because it can be changed into a prime (7660531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1915133 + ... + 1915136.

Almost surely, 2^7660538 is an apocalyptic number.

7660538 is a deficient number, since it is larger than the sum of its proper divisors (3830272).

7660538 is a wasteful number, since it uses less digits than its factorization.

7660538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830271.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 7660538 is about 2767.7676925638. The cubic root of 7660538 is about 197.1301672651.

The spelling of 7660538 in words is "seven million, six hundred sixty thousand, five hundred thirty-eight".