67412449 has 8 divisors (see below), whose sum is σ = 73968552. Its totient is φ = 61052160.

The previous prime is 67412419. The next prime is 67412459. The reversal of 67412449 is 94421476.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8614225 + 58798224 = 2935^2 + 7668^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67412449 - 2²⁵ = 33858017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67412419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48232 + ... + 49609.

It is an arithmetic number, because the mean of its divisors is an integer number (9246069).

Almost surely, 2^67412449 is an apocalyptic number.

It is an amenable number.

67412449 is a deficient number, since it is larger than the sum of its proper divisors (6556103).

67412449 is a wasteful number, since it uses less digits than its factorization.

67412449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97907.

The product of its digits is 48384, while the sum is 37.

The square root of 67412449 is about 8210.5084495420. The cubic root of 67412449 is about 406.9865293048.

The spelling of 67412449 in words is "sixty-seven million, four hundred twelve thousand, four hundred forty-nine".