67248321 has 8 divisors (see below), whose sum is σ = 102473664. Its totient is φ = 38427600.

The previous prime is 67248287. The next prime is 67248347. The reversal of 67248321 is 12384276.

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

It is not a de Polignac number, because 67248321 - 2⁷ = 67248193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67248521) 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, 1601130 + ... + 1601171.

It is an arithmetic number, because the mean of its divisors is an integer number (12809208).

Almost surely, 2^67248321 is an apocalyptic number.

It is an amenable number.

67248321 is a deficient number, since it is larger than the sum of its proper divisors (35225343).

67248321 is a wasteful number, since it uses less digits than its factorization.

67248321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202311.

The product of its digits is 16128, while the sum is 33.

The square root of 67248321 is about 8200.5073623526. The cubic root of 67248321 is about 406.6559663791.

The spelling of 67248321 in words is "sixty-seven million, two hundred forty-eight thousand, three hundred twenty-one".