67970791 has 12 divisors (see below), whose sum is σ = 79679160. Its totient is φ = 57810480.

The previous prime is 67970783. The next prime is 67970797. The reversal of 67970791 is 19707976.

It is not a de Polignac number, because 67970791 - 2³ = 67970783 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 (67970797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1125 + ... + 11713.

It is an arithmetic number, because the mean of its divisors is an integer number (6639930).

Almost surely, 2^67970791 is an apocalyptic number.

67970791 is a deficient number, since it is larger than the sum of its proper divisors (11708369).

67970791 is a wasteful number, since it uses less digits than its factorization.

67970791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734 (or 10727 counting only the distinct ones).

The product of its (nonzero) digits is 166698, while the sum is 46.

The square root of 67970791 is about 8244.4400052399. The cubic root of 67970791 is about 408.1070601240.

It can be divided in two parts, 6 and 7970791, that added together give a palindrome (7970797).

The spelling of 67970791 in words is "sixty-seven million, nine hundred seventy thousand, seven hundred ninety-one".