68292641 has 4 divisors (see below), whose sum is σ = 68430000. Its totient is φ = 68155284.

The previous prime is 68292629. The next prime is 68292661. The reversal of 68292641 is 14629286.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68292641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68292595 and 68292604.

It is not an unprimeable number, because it can be changed into a prime (68292661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67931 + ... + 68928.

It is an arithmetic number, because the mean of its divisors is an integer number (17107500).

Almost surely, 2^68292641 is an apocalyptic number.

It is an amenable number.

68292641 is a deficient number, since it is larger than the sum of its proper divisors (137359).

68292641 is a wasteful number, since it uses less digits than its factorization.

68292641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137358.

The product of its digits is 41472, while the sum is 38.

The square root of 68292641 is about 8263.9361686789. The cubic root of 68292641 is about 408.7501916847.

The spelling of 68292641 in words is "sixty-eight million, two hundred ninety-two thousand, six hundred forty-one".