67241649 has 8 divisors (see below), whose sum is σ = 89973472. Its totient is φ = 44668800.

The previous prime is 67241623. The next prime is 67241663. The reversal of 67241649 is 94614276.

It is a happy number.

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

It is not a de Polignac number, because 67241649 - 2⁷ = 67241521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67249649) 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, 38752 + ... + 40449.

It is an arithmetic number, because the mean of its divisors is an integer number (11246684).

Almost surely, 2^67241649 is an apocalyptic number.

It is an amenable number.

67241649 is a deficient number, since it is larger than the sum of its proper divisors (22731823).

67241649 is a wasteful number, since it uses less digits than its factorization.

67241649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79487.

The product of its digits is 72576, while the sum is 39.

The square root of 67241649 is about 8200.1005481640. The cubic root of 67241649 is about 406.6425172288.

The spelling of 67241649 in words is "sixty-seven million, two hundred forty-one thousand, six hundred forty-nine".