67345563 has 8 divisors (see below), whose sum is σ = 91488528. Its totient is φ = 44049824.

The previous prime is 67345561. The next prime is 67345567. The reversal of 67345563 is 36554376.

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 67345563 - 2¹ = 67345561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67345561) 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, 211620 + ... + 211937.

It is an arithmetic number, because the mean of its divisors is an integer number (11436066).

Almost surely, 2^67345563 is an apocalyptic number.

67345563 is a deficient number, since it is larger than the sum of its proper divisors (24142965).

67345563 is a wasteful number, since it uses less digits than its factorization.

67345563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423613.

The product of its digits is 226800, while the sum is 39.

The square root of 67345563 is about 8206.4342439332. The cubic root of 67345563 is about 406.8518820233.

The spelling of 67345563 in words is "sixty-seven million, three hundred forty-five thousand, five hundred sixty-three".