68207451 has 16 divisors (see below), whose sum is σ = 103701024. Its totient is φ = 39504384.

The previous prime is 68207441. The next prime is 68207467. The reversal of 68207451 is 15470286.

It is not a de Polignac number, because 68207451 - 2⁹ = 68206939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68207401) 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 15 ways as a sum of consecutive naturals, for example, 50776 + ... + 52101.

It is an arithmetic number, because the mean of its divisors is an integer number (6481314).

Almost surely, 2^68207451 is an apocalyptic number.

68207451 is a deficient number, since it is larger than the sum of its proper divisors (35493573).

68207451 is a wasteful number, since it uses less digits than its factorization.

68207451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102910.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 68207451 is about 8258.7802368146. The cubic root of 68207451 is about 408.5801591238.

The spelling of 68207451 in words is "sixty-eight million, two hundred seven thousand, four hundred fifty-one".