67973997 has 48 divisors (see below), whose sum is σ = 113840640. Its totient is φ = 35320896.

The previous prime is 67973987. The next prime is 67974019. The reversal of 67973997 is 79937976.

It is not a de Polignac number, because 67973997 - 2⁴ = 67973981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67973987) 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 47 ways as a sum of consecutive naturals, for example, 379654 + ... + 379832.

It is an arithmetic number, because the mean of its divisors is an integer number (2371680).

Almost surely, 2^67973997 is an apocalyptic number.

It is an amenable number.

67973997 is a deficient number, since it is larger than the sum of its proper divisors (45866643).

67973997 is a wasteful number, since it uses less digits than its factorization.

67973997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 309 counting only the distinct ones).

The product of its digits is 4500846, while the sum is 57.

The square root of 67973997 is about 8244.6344370142. The cubic root of 67973997 is about 408.1134764618.

The spelling of 67973997 in words is "sixty-seven million, nine hundred seventy-three thousand, nine hundred ninety-seven".