68814825 has 36 divisors (see below), whose sum is σ = 117940368. Its totient is φ = 35403200.

The previous prime is 68814821. The next prime is 68814841. The reversal of 68814825 is 52841886.

It is not a de Polignac number, because 68814825 - 2² = 68814821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68814821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62530 + ... + 63620.

Almost surely, 2^68814825 is an apocalyptic number.

It is an amenable number.

68814825 is a deficient number, since it is larger than the sum of its proper divisors (49125543).

68814825 is a wasteful number, since it uses less digits than its factorization.

68814825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1128 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The square root of 68814825 is about 8295.4701494249. The cubic root of 68814825 is about 409.7893524317.

The spelling of 68814825 in words is "sixty-eight million, eight hundred fourteen thousand, eight hundred twenty-five".