67345493 has 8 divisors (see below), whose sum is σ = 69936216. Its totient is φ = 64800000.

The previous prime is 67345477. The next prime is 67345507. The reversal of 67345493 is 39454376.

It can be written as a sum of positive squares in 4 ways, for example, as 17247409 + 50098084 = 4153^2 + 7078^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 67345493 - 2⁴ = 67345477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67345493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67345193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8258 + ... + 14243.

It is an arithmetic number, because the mean of its divisors is an integer number (8742027).

Almost surely, 2^67345493 is an apocalyptic number.

It is an amenable number.

67345493 is a deficient number, since it is larger than the sum of its proper divisors (2590723).

67345493 is a wasteful number, since it uses less digits than its factorization.

67345493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22615.

The product of its digits is 272160, while the sum is 41.

The square root of 67345493 is about 8206.4299789860. The cubic root of 67345493 is about 406.8517410605.

The spelling of 67345493 in words is "sixty-seven million, three hundred forty-five thousand, four hundred ninety-three".