68606407 has 16 divisors (see below), whose sum is σ = 74898432. Its totient is φ = 62586880.

The previous prime is 68606393. The next prime is 68606423. The reversal of 68606407 is 70460686.

It is a cyclic number.

It is not a de Polignac number, because 68606407 - 2²³ = 60217799 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 (68606477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178938 + ... + 179320.

It is an arithmetic number, because the mean of its divisors is an integer number (4681152).

Almost surely, 2^68606407 is an apocalyptic number.

68606407 is a deficient number, since it is larger than the sum of its proper divisors (6292025).

68606407 is a wasteful number, since it uses less digits than its factorization.

68606407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 698.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 68606407 is about 8282.8984661168. The cubic root of 68606407 is about 409.3752272943.

The spelling of 68606407 in words is "sixty-eight million, six hundred six thousand, four hundred seven".