7760138 has 4 divisors (see below), whose sum is σ = 11640210. Its totient is φ = 3880068.

The previous prime is 7760117. The next prime is 7760149. The reversal of 7760138 is 8310677.

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., 4566769 + 3193369 = 2137^2 + 1787^2 .

It is a Curzon number.

It is an unprimeable number.

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, 1940033 + ... + 1940036.

Almost surely, 2^7760138 is an apocalyptic number.

7760138 is a deficient number, since it is larger than the sum of its proper divisors (3880072).

7760138 is a wasteful number, since it uses less digits than its factorization.

7760138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880071.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 7760138 is about 2785.7024248832. The cubic root of 7760138 is about 197.9808334336.

The spelling of 7760138 in words is "seven million, seven hundred sixty thousand, one hundred thirty-eight".