68548907 has 4 divisors (see below), whose sum is σ = 78341616. Its totient is φ = 58756200.

The previous prime is 68548891. The next prime is 68548927. The reversal of 68548907 is 70984586.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70984586 = 2 ⋅35492293.

It is a cyclic number.

It is not a de Polignac number, because 68548907 - 2⁴ = 68548891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68548927) 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, 4896344 + ... + 4896357.

It is an arithmetic number, because the mean of its divisors is an integer number (19585404).

Almost surely, 2^68548907 is an apocalyptic number.

68548907 is a deficient number, since it is larger than the sum of its proper divisors (9792709).

68548907 is an equidigital number, since it uses as much as digits as its factorization.

68548907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792708.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 68548907 is about 8279.4267313625. The cubic root of 68548907 is about 409.2608276058.

The spelling of 68548907 in words is "sixty-eight million, five hundred forty-eight thousand, nine hundred seven".