7040661801 has 4 divisors (see below), whose sum is σ = 9387549072. Its totient is φ = 4693774532.

The previous prime is 7040661787. The next prime is 7040661811. The reversal of 7040661801 is 1081660407.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7040661801 - 2²⁷ = 6906444073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7040661811) 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 3 ways as a sum of consecutive naturals, for example, 1173443631 + ... + 1173443636.

It is an arithmetic number, because the mean of its divisors is an integer number (2346887268).

Almost surely, 2^7040661801 is an apocalyptic number.

It is an amenable number.

7040661801 is a deficient number, since it is larger than the sum of its proper divisors (2346887271).

7040661801 is a wasteful number, since it uses less digits than its factorization.

7040661801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346887270.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 7040661801 is about 83908.6515265262. The cubic root of 7040661801 is about 1916.6279971262.

The spelling of 7040661801 in words is "seven billion, forty million, six hundred sixty-one thousand, eight hundred one".