68534451 has 8 divisors (see below), whose sum is σ = 101532560. Its totient is φ = 45689616.

The previous prime is 68534441. The next prime is 68534461. The reversal of 68534451 is 15443586.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68534441) and next prime (68534461).

It is not a de Polignac number, because 68534451 - 2⁵ = 68534419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68534441) 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 7 ways as a sum of consecutive naturals, for example, 1269130 + ... + 1269183.

It is an arithmetic number, because the mean of its divisors is an integer number (12691570).

Almost surely, 2^68534451 is an apocalyptic number.

68534451 is a deficient number, since it is larger than the sum of its proper divisors (32998109).

68534451 is a wasteful number, since it uses less digits than its factorization.

68534451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538322 (or 2538316 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 68534451 is about 8278.5536780285. The cubic root of 68534451 is about 409.2320564665.

The spelling of 68534451 in words is "sixty-eight million, five hundred thirty-four thousand, four hundred fifty-one".