67250071 has 4 divisors (see below), whose sum is σ = 76857232. Its totient is φ = 57642912.

The previous prime is 67250069. The next prime is 67250081. The reversal of 67250071 is 17005276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67250071 - 2¹ = 67250069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67250021) 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 3 ways as a sum of consecutive naturals, for example, 4803570 + ... + 4803583.

It is an arithmetic number, because the mean of its divisors is an integer number (19214308).

Almost surely, 2^67250071 is an apocalyptic number.

67250071 is a deficient number, since it is larger than the sum of its proper divisors (9607161).

67250071 is an equidigital number, since it uses as much as digits as its factorization.

67250071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9607160.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 67250071 is about 8200.6140623736. The cubic root of 67250071 is about 406.6594938118.

The spelling of 67250071 in words is "sixty-seven million, two hundred fifty thousand, seventy-one".