67970439 has 6 divisors (see below), whose sum is σ = 98179536. Its totient is φ = 45313620.

The previous prime is 67970431. The next prime is 67970453. The reversal of 67970439 is 93407976.

It is not a de Polignac number, because 67970439 - 2³ = 67970431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67970394 and 67970403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67970431) 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 5 ways as a sum of consecutive naturals, for example, 3776127 + ... + 3776144.

It is an arithmetic number, because the mean of its divisors is an integer number (16363256).

Almost surely, 2^67970439 is an apocalyptic number.

67970439 is a deficient number, since it is larger than the sum of its proper divisors (30209097).

67970439 is a wasteful number, since it uses less digits than its factorization.

67970439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7552277 (or 7552274 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 67970439 is about 8244.4186574919. The cubic root of 67970439 is about 408.1063556354.

The spelling of 67970439 in words is "sixty-seven million, nine hundred seventy thousand, four hundred thirty-nine".