7140667 has 4 divisors (see below), whose sum is σ = 7333696. Its totient is φ = 6947640.

The previous prime is 7140647. The next prime is 7140671. The reversal of 7140667 is 7660417.

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

It is a cyclic number.

It is not a de Polignac number, because 7140667 - 2¹¹ = 7138619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7140647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96459 + ... + 96532.

It is an arithmetic number, because the mean of its divisors is an integer number (1833424).

Almost surely, 2^7140667 is an apocalyptic number.

7140667 is a deficient number, since it is larger than the sum of its proper divisors (193029).

7140667 is a wasteful number, since it uses less digits than its factorization.

7140667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193028.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 7140667 is about 2672.2026495010. The cubic root of 7140667 is about 192.5659930030.

The spelling of 7140667 in words is "seven million, one hundred forty thousand, six hundred sixty-seven".