68793547 has 4 divisors (see below), whose sum is σ = 72414280. Its totient is φ = 65172816.

The previous prime is 68793457. The next prime is 68793551. The reversal of 68793547 is 74539786.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68793547 - 2¹⁹ = 68269259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68793547.

It is not an unprimeable number, because it can be changed into a prime (68793847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1810338 + ... + 1810375.

It is an arithmetic number, because the mean of its divisors is an integer number (18103570).

Almost surely, 2^68793547 is an apocalyptic number.

68793547 is a deficient number, since it is larger than the sum of its proper divisors (3620733).

68793547 is a wasteful number, since it uses less digits than its factorization.

68793547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620732.

The product of its digits is 1270080, while the sum is 49.

The square root of 68793547 is about 8294.1875430931. The cubic root of 68793547 is about 409.7471115497.

The spelling of 68793547 in words is "sixty-eight million, seven hundred ninety-three thousand, five hundred forty-seven".