68424455 has 16 divisors (see below), whose sum is σ = 89800704. Its totient is φ = 49637280.

The previous prime is 68424443. The next prime is 68424469. The reversal of 68424455 is 55442486.

It is not a de Polignac number, because 68424455 - 2⁸ = 68424199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24122 + ... + 26808.

It is an arithmetic number, because the mean of its divisors is an integer number (5612544).

Almost surely, 2^68424455 is an apocalyptic number.

68424455 is a deficient number, since it is larger than the sum of its proper divisors (21376249).

68424455 is a wasteful number, since it uses less digits than its factorization.

68424455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166.

The product of its digits is 153600, while the sum is 38.

The square root of 68424455 is about 8271.9075792709. The cubic root of 68424455 is about 409.0130036536.

The spelling of 68424455 in words is "sixty-eight million, four hundred twenty-four thousand, four hundred fifty-five".