68280401 has 4 divisors (see below), whose sum is σ = 78034752. Its totient is φ = 58526052.

The previous prime is 68280391. The next prime is 68280419. The reversal of 68280401 is 10408286.

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 not a de Polignac number, because 68280401 - 2¹⁰ = 68279377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68280481) 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, 4877165 + ... + 4877178.

It is an arithmetic number, because the mean of its divisors is an integer number (19508688).

Almost surely, 2^68280401 is an apocalyptic number.

It is an amenable number.

68280401 is a deficient number, since it is larger than the sum of its proper divisors (9754351).

68280401 is an equidigital number, since it uses as much as digits as its factorization.

68280401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9754350.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 68280401 is about 8263.1955683016. The cubic root of 68280401 is about 408.7257703064.

Adding to 68280401 its reverse (10408286), we get a palindrome (78688687).

The spelling of 68280401 in words is "sixty-eight million, two hundred eighty thousand, four hundred one".