67606345 has 12 divisors (see below), whose sum is σ = 81962244. Its totient is φ = 53534240.

The previous prime is 67606339. The next prime is 67606373. The reversal of 67606345 is 54360676.

It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 22165264 = 6741^2 + 4708^2 .

It is not a de Polignac number, because 67606345 - 2¹¹ = 67604297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56655 + ... + 57835.

It is an arithmetic number, because the mean of its divisors is an integer number (6830187).

Almost surely, 2^67606345 is an apocalyptic number.

It is an amenable number.

67606345 is a deficient number, since it is larger than the sum of its proper divisors (14355899).

67606345 is a wasteful number, since it uses less digits than its factorization.

67606345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 67606345 is about 8222.3077660715. The cubic root of 67606345 is about 407.3763560290.

The spelling of 67606345 in words is "sixty-seven million, six hundred six thousand, three hundred forty-five".