67340073 has 4 divisors (see below), whose sum is σ = 89786768. Its totient is φ = 44893380.

The previous prime is 67340071. The next prime is 67340083. The reversal of 67340073 is 37004376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 67340073 - 2¹ = 67340071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67340073.

It is not an unprimeable number, because it can be changed into a prime (67340071) 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, 11223343 + ... + 11223348.

It is an arithmetic number, because the mean of its divisors is an integer number (22446692).

Almost surely, 2^67340073 is an apocalyptic number.

It is an amenable number.

67340073 is a deficient number, since it is larger than the sum of its proper divisors (22446695).

67340073 is a wasteful number, since it uses less digits than its factorization.

67340073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22446694.

The product of its (nonzero) digits is 10584, while the sum is 30.

The square root of 67340073 is about 8206.0997434835. The cubic root of 67340073 is about 406.8408262218.

The spelling of 67340073 in words is "sixty-seven million, three hundred forty thousand, seventy-three".