67079427 has 4 divisors (see below), whose sum is σ = 89439240. Its totient is φ = 44719616.

The previous prime is 67079423. The next prime is 67079429. The reversal of 67079427 is 72497076.

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 67079427 - 2² = 67079423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67079423) 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, 11179902 + ... + 11179907.

It is an arithmetic number, because the mean of its divisors is an integer number (22359810).

Almost surely, 2^67079427 is an apocalyptic number.

67079427 is a deficient number, since it is larger than the sum of its proper divisors (22359813).

67079427 is a wasteful number, since it uses less digits than its factorization.

67079427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22359812.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 67079427 is about 8190.2031110345. The cubic root of 67079427 is about 406.3152424763.

The spelling of 67079427 in words is "sixty-seven million, seventy-nine thousand, four hundred twenty-seven".