67422007 has 4 divisors (see below), whose sum is σ = 67471600. Its totient is φ = 67372416.

The previous prime is 67421987. The next prime is 67422037. The reversal of 67422007 is 70022476.

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 67422007 - 2¹¹ = 67419959 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 (67422037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22698 + ... + 25495.

It is an arithmetic number, because the mean of its divisors is an integer number (16867900).

Almost surely, 2^67422007 is an apocalyptic number.

67422007 is a deficient number, since it is larger than the sum of its proper divisors (49593).

67422007 is a wasteful number, since it uses less digits than its factorization.

67422007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49592.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 67422007 is about 8211.0904878707. The cubic root of 67422007 is about 407.0057631084.

The spelling of 67422007 in words is "sixty-seven million, four hundred twenty-two thousand, seven".