7040667007 has 4 divisors (see below), whose sum is σ = 7680727656. Its totient is φ = 6400606360.

The previous prime is 7040666957. The next prime is 7040667013. The reversal of 7040667007 is 7007660407.

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 7040667007 - 2⁷ = 7040666879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040667017) 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, 320030308 + ... + 320030329.

It is an arithmetic number, because the mean of its divisors is an integer number (1920181914).

Almost surely, 2^7040667007 is an apocalyptic number.

7040667007 is a deficient number, since it is larger than the sum of its proper divisors (640060649).

7040667007 is a wasteful number, since it uses less digits than its factorization.

7040667007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640060648.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 7040667007 is about 83908.6825483513. The cubic root of 7040667007 is about 1916.6284695232.

The spelling of 7040667007 in words is "seven billion, forty million, six hundred sixty-seven thousand, seven".