67924361 has 4 divisors (see below), whose sum is σ = 67981572. Its totient is φ = 67867152.

The previous prime is 67924357. The next prime is 67924369. The reversal of 67924361 is 16342976.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12645136 + 55279225 = 3556^2 + 7435^2 .

It is a cyclic number.

It is not a de Polignac number, because 67924361 - 2² = 67924357 is a prime.

It is a super-2 number, since 2×67924361² = 9227437634516642, 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 (67924369) 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, 26786 + ... + 29211.

It is an arithmetic number, because the mean of its divisors is an integer number (16995393).

Almost surely, 2^67924361 is an apocalyptic number.

It is an amenable number.

67924361 is a deficient number, since it is larger than the sum of its proper divisors (57211).

67924361 is a wasteful number, since it uses less digits than its factorization.

67924361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57210.

The product of its digits is 54432, while the sum is 38.

The square root of 67924361 is about 8241.6236871141. The cubic root of 67924361 is about 408.0141146757.

The spelling of 67924361 in words is "sixty-seven million, nine hundred twenty-four thousand, three hundred sixty-one".