67716051 has 16 divisors (see below), whose sum is σ = 99607200. Its totient is φ = 40654080.

The previous prime is 67716017. The next prime is 67716107. The reversal of 67716051 is 15061776.

It is not a de Polignac number, because 67716051 - 2¹³ = 67707859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67716001) 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, 19576 + ... + 22773.

It is an arithmetic number, because the mean of its divisors is an integer number (6225450).

Almost surely, 2^67716051 is an apocalyptic number.

67716051 is a deficient number, since it is larger than the sum of its proper divisors (31891149).

67716051 is a wasteful number, since it uses less digits than its factorization.

67716051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42406.

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 67716051 is about 8228.9763032834. The cubic root of 67716051 is about 407.5965891956.

The spelling of 67716051 in words is "sixty-seven million, seven hundred sixteen thousand, fifty-one".