7040670667 has 4 divisors (see below), whose sum is σ = 7050979800. Its totient is φ = 7030361536.

The previous prime is 7040670653. The next prime is 7040670671. The reversal of 7040670667 is 7660760407.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7040670667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7040670677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5153542 + ... + 5154907.

It is an arithmetic number, because the mean of its divisors is an integer number (1762744950).

Almost surely, 2^7040670667 is an apocalyptic number.

7040670667 is a deficient number, since it is larger than the sum of its proper divisors (10309133).

7040670667 is a wasteful number, since it uses less digits than its factorization.

7040670667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309132.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 7040670667 is about 83908.7043577721. The cubic root of 7040670667 is about 1916.6288016346.

The spelling of 7040670667 in words is "seven billion, forty million, six hundred seventy thousand, six hundred sixty-seven".