67924121 has 4 divisors (see below), whose sum is σ = 68784000. Its totient is φ = 67064244.

The previous prime is 67924117. The next prime is 67924123. The reversal of 67924121 is 12142976.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67924121 - 2² = 67924117 is a prime.

It is a super-2 number, since 2×67924121² = 9227372427245282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67924123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429821 + ... + 429978.

It is an arithmetic number, because the mean of its divisors is an integer number (17196000).

Almost surely, 2^67924121 is an apocalyptic number.

It is an amenable number.

67924121 is a deficient number, since it is larger than the sum of its proper divisors (859879).

67924121 is an equidigital number, since it uses as much as digits as its factorization.

67924121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859878.

The product of its digits is 6048, while the sum is 32.

The square root of 67924121 is about 8241.6091268635. The cubic root of 67924121 is about 408.0136341240.

The spelling of 67924121 in words is "sixty-seven million, nine hundred twenty-four thousand, one hundred twenty-one".