68656007 has 12 divisors (see below), whose sum is σ = 80000640. Its totient is φ = 58748256.

The previous prime is 68655991. The next prime is 68656009. The reversal of 68656007 is 70065686.

It is not a de Polignac number, because 68656007 - 2⁴ = 68655991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68656009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52619 + ... + 53907.

It is an arithmetic number, because the mean of its divisors is an integer number (6666720).

Almost surely, 2^68656007 is an apocalyptic number.

68656007 is a deficient number, since it is larger than the sum of its proper divisors (11344633).

68656007 is a wasteful number, since it uses less digits than its factorization.

68656007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2390 (or 2383 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 68656007 is about 8285.8920461227. The cubic root of 68656007 is about 409.4738581213.

The spelling of 68656007 in words is "sixty-eight million, six hundred fifty-six thousand, seven".