7243140664 has 32 divisors (see below), whose sum is σ = 13947908400. Its totient is φ = 3524915200.

The previous prime is 7243140661. The next prime is 7243140673. The reversal of 7243140664 is 4660413427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7243140661) 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, 28297 + ... + 123640.

Almost surely, 2^7243140664 is an apocalyptic number.

It is an amenable number.

7243140664 is a deficient number, since it is larger than the sum of its proper divisors (6704767736).

7243140664 is a wasteful number, since it uses less digits than its factorization.

7243140664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152103 (or 152099 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 7243140664 is about 85106.6428899648. The cubic root of 7243140664 is about 1934.8277451062.

The spelling of 7243140664 in words is "seven billion, two hundred forty-three million, one hundred forty thousand, six hundred sixty-four".