68748507 has 10 divisors (see below), whose sum is σ = 102698508. Its totient is φ = 45832284.

The previous prime is 68748487. The next prime is 68748521. The reversal of 68748507 is 70584786.

It is not a de Polignac number, because 68748507 - 2¹⁴ = 68732123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68748577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 424293 + ... + 424454.

Almost surely, 2^68748507 is an apocalyptic number.

68748507 is a deficient number, since it is larger than the sum of its proper divisors (33950001).

68748507 is an equidigital number, since it uses as much as digits as its factorization.

68748507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848759 (or 848750 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The square root of 68748507 is about 8291.4719441122. The cubic root of 68748507 is about 409.6576698324.

It can be divided in two parts, 687 and 48507, that added together give a palindrome (49194).

The spelling of 68748507 in words is "sixty-eight million, seven hundred forty-eight thousand, five hundred seven".