7290611668 has 24 divisors (see below), whose sum is σ = 13325655168. Its totient is φ = 3483576096.

The previous prime is 7290611663. The next prime is 7290611681. The reversal of 7290611668 is 8661160927.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7290611663) 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, 64305 + ... + 136807.

It is an arithmetic number, because the mean of its divisors is an integer number (555235632).

Almost surely, 2^7290611668 is an apocalyptic number.

It is an amenable number.

7290611668 is a deficient number, since it is larger than the sum of its proper divisors (6035043500).

7290611668 is a wasteful number, since it uses less digits than its factorization.

7290611668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73623 (or 73621 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 7290611668 is about 85385.0787198794. The cubic root of 7290611668 is about 1939.0454499136.

The spelling of 7290611668 in words is "seven billion, two hundred ninety million, six hundred eleven thousand, six hundred sixty-eight".