67793121 has 48 divisors (see below), whose sum is σ = 117411840. Its totient is φ = 37208160.

The previous prime is 67793113. The next prime is 67793137. The reversal of 67793121 is 12139776.

It is a happy number.

It is not a de Polignac number, because 67793121 - 2³ = 67793113 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67793101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42480 + ... + 44046.

It is an arithmetic number, because the mean of its divisors is an integer number (2446080).

Almost surely, 2^67793121 is an apocalyptic number.

It is an amenable number.

67793121 is a deficient number, since it is larger than the sum of its proper divisors (49618719).

67793121 is a wasteful number, since it uses less digits than its factorization.

67793121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626 (or 1623 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 67793121 is about 8233.6578141188. The cubic root of 67793121 is about 407.7511638673.

The spelling of 67793121 in words is "sixty-seven million, seven hundred ninety-three thousand, one hundred twenty-one".