68690841 has 16 divisors (see below), whose sum is σ = 93261504. Its totient is φ = 44964864.

The previous prime is 68690837. The next prime is 68690873. The reversal of 68690841 is 14809686.

It is not a de Polignac number, because 68690841 - 2² = 68690837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68690793 and 68690802.

It is not an unprimeable number, because it can be changed into a prime (68690891) 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, 39006 + ... + 40728.

It is an arithmetic number, because the mean of its divisors is an integer number (5828844).

Almost surely, 2^68690841 is an apocalyptic number.

It is an amenable number.

68690841 is a deficient number, since it is larger than the sum of its proper divisors (24570663).

68690841 is a wasteful number, since it uses less digits than its factorization.

68690841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 68690841 is about 8287.9937861946. The cubic root of 68690841 is about 409.5430979998.

The spelling of 68690841 in words is "sixty-eight million, six hundred ninety thousand, eight hundred forty-one".