67354913 has 4 divisors (see below), whose sum is σ = 67438980. Its totient is φ = 67270848.

The previous prime is 67354897. The next prime is 67354949. The reversal of 67354913 is 31945376.

It is a happy number.

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 59243809 + 8111104 = 7697^2 + 2848^2 .

It is a cyclic number.

It is not a de Polignac number, because 67354913 - 2⁴ = 67354897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67354993) 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, 40820 + ... + 42437.

It is an arithmetic number, because the mean of its divisors is an integer number (16859745).

Almost surely, 2^67354913 is an apocalyptic number.

It is an amenable number.

67354913 is a deficient number, since it is larger than the sum of its proper divisors (84067).

67354913 is an equidigital number, since it uses as much as digits as its factorization.

67354913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84066.

The product of its digits is 68040, while the sum is 38.

The square root of 67354913 is about 8207.0038991096. The cubic root of 67354913 is about 406.8707097376.

The spelling of 67354913 in words is "sixty-seven million, three hundred fifty-four thousand, nine hundred thirteen".