67939097 has 4 divisors (see below), whose sum is σ = 69519120. Its totient is φ = 66359076.

The previous prime is 67939061. The next prime is 67939099. The reversal of 67939097 is 79093976.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67939097 - 2²⁴ = 51161881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67939099) 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, 789947 + ... + 790032.

It is an arithmetic number, because the mean of its divisors is an integer number (17379780).

Almost surely, 2^67939097 is an apocalyptic number.

It is an amenable number.

67939097 is a deficient number, since it is larger than the sum of its proper divisors (1580023).

67939097 is a wasteful number, since it uses less digits than its factorization.

67939097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580022.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 67939097 is about 8242.5176372271. The cubic root of 67939097 is about 408.0436183823.

The spelling of 67939097 in words is "sixty-seven million, nine hundred thirty-nine thousand, ninety-seven".