7040400073 has 16 divisors (see below), whose sum is σ = 8398863360. Its totient is φ = 5770288656.

The previous prime is 7040400053. The next prime is 7040400113. The reversal of 7040400073 is 3700040407.

It is a happy number.

7040400073 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 7040400073 - 2⁵ = 7040400041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7040400023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642918 + ... + 653776.

It is an arithmetic number, because the mean of its divisors is an integer number (524928960).

Almost surely, 2^7040400073 is an apocalyptic number.

It is an amenable number.

7040400073 is a deficient number, since it is larger than the sum of its proper divisors (1358463287).

7040400073 is a wasteful number, since it uses less digits than its factorization.

7040400073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14916.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 7040400073 is about 83907.0919112324. The cubic root of 7040400073 is about 1916.6042473972.

The spelling of 7040400073 in words is "seven billion, forty million, four hundred thousand, seventy-three".