68946845 has 16 divisors (see below), whose sum is σ = 92359872. Its totient is φ = 48975360.

The previous prime is 68946817. The next prime is 68946851. The reversal of 68946845 is 54864986.

It is a happy number.

It is not a de Polignac number, because 68946845 - 2¹⁸ = 68684701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68946793 and 68946802.

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, 12212 + ... + 16941.

It is an arithmetic number, because the mean of its divisors is an integer number (5772492).

Almost surely, 2^68946845 is an apocalyptic number.

It is an amenable number.

68946845 is a deficient number, since it is larger than the sum of its proper divisors (23413027).

68946845 is a wasteful number, since it uses less digits than its factorization.

68946845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29212.

The product of its digits is 1658880, while the sum is 50.

The square root of 68946845 is about 8303.4236914661. The cubic root of 68946845 is about 410.0512428517.

The spelling of 68946845 in words is "sixty-eight million, nine hundred forty-six thousand, eight hundred forty-five".