7670139 has 4 divisors (see below), whose sum is σ = 10226856. Its totient is φ = 5113424.

The previous prime is 7670087. The next prime is 7670141. The reversal of 7670139 is 9310767.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9310767 = 3 ⋅3103589.

It is a cyclic number.

It is not a de Polignac number, because 7670139 - 2¹¹ = 7668091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7670539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1278354 + ... + 1278359.

It is an arithmetic number, because the mean of its divisors is an integer number (2556714).

Almost surely, 2^7670139 is an apocalyptic number.

7670139 is a deficient number, since it is larger than the sum of its proper divisors (2556717).

7670139 is a wasteful number, since it uses less digits than its factorization.

7670139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556716.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 7670139 is about 2769.5015797071. The cubic root of 7670139 is about 197.2124877060.

The spelling of 7670139 in words is "seven million, six hundred seventy thousand, one hundred thirty-nine".