7209420068 has 24 divisors (see below), whose sum is σ = 13071844800. Its totient is φ = 3474994208.

The previous prime is 7209420041. The next prime is 7209420079. The reversal of 7209420068 is 8600249027.

It is a super-2 number, since 2×7209420068² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27023 + ... + 123081.

It is an arithmetic number, because the mean of its divisors is an integer number (544660200).

Almost surely, 2^7209420068 is an apocalyptic number.

It is an amenable number.

7209420068 is a deficient number, since it is larger than the sum of its proper divisors (5862424732).

7209420068 is a wasteful number, since it uses less digits than its factorization.

7209420068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96739 (or 96737 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 7209420068 is about 84908.3038813048. The cubic root of 7209420068 is about 1931.8205295898.

The spelling of 7209420068 in words is "seven billion, two hundred nine million, four hundred twenty thousand, sixty-eight".