67049397 has 16 divisors (see below), whose sum is σ = 99550080. Its totient is φ = 44601696.

The previous prime is 67049383. The next prime is 67049413. The reversal of 67049397 is 79394076.

67049397 is a `hidden beast` number, since 6 + 70 + 493 + 97 = 666.

It is not a de Polignac number, because 67049397 - 2⁸ = 67049141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67049357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11113 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (6221880).

Almost surely, 2^67049397 is an apocalyptic number.

It is an amenable number.

67049397 is a deficient number, since it is larger than the sum of its proper divisors (32500683).

67049397 is a wasteful number, since it uses less digits than its factorization.

67049397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449 (or 5443 counting only the distinct ones).

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

The square root of 67049397 is about 8188.3696179398. The cubic root of 67049397 is about 406.2546005948.

The spelling of 67049397 in words is "sixty-seven million, forty-nine thousand, three hundred ninety-seven".