67394461 has 4 divisors (see below), whose sum is σ = 68536800. Its totient is φ = 66252124.

The previous prime is 67394419. The next prime is 67394473. The reversal of 67394461 is 16449376.

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 67394461 - 2⁷ = 67394333 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67394401) 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, 571081 + ... + 571198.

It is an arithmetic number, because the mean of its divisors is an integer number (17134200).

Almost surely, 2^67394461 is an apocalyptic number.

It is an amenable number.

67394461 is a deficient number, since it is larger than the sum of its proper divisors (1142339).

67394461 is a wasteful number, since it uses less digits than its factorization.

67394461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142338.

The product of its digits is 108864, while the sum is 40.

The square root of 67394461 is about 8209.4129509972. The cubic root of 67394461 is about 406.9503266694.

The spelling of 67394461 in words is "sixty-seven million, three hundred ninety-four thousand, four hundred sixty-one".