7040720055 has 8 divisors (see below), whose sum is σ = 11265152112. Its totient is φ = 3755050688.

The previous prime is 7040720053. The next prime is 7040720069. The reversal of 7040720055 is 5500270407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7040720055 - 2¹ = 7040720053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7040720053) 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 7 ways as a sum of consecutive naturals, for example, 234690654 + ... + 234690683.

It is an arithmetic number, because the mean of its divisors is an integer number (1408144014).

Almost surely, 2^7040720055 is an apocalyptic number.

7040720055 is a deficient number, since it is larger than the sum of its proper divisors (4224432057).

7040720055 is a wasteful number, since it uses less digits than its factorization.

7040720055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469381345.

The product of its (nonzero) digits is 9800, while the sum is 30.

The square root of 7040720055 is about 83908.9986533030. The cubic root of 7040720055 is about 1916.6332831321.

The spelling of 7040720055 in words is "seven billion, forty million, seven hundred twenty thousand, fifty-five".