67342736 has 20 divisors (see below), whose sum is σ = 130748700. Its totient is φ = 33601152.

The previous prime is 67342733. The next prime is 67342741. The reversal of 67342736 is 63724376.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58675600 + 8667136 = 7660^2 + 2944^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67342736.

It is not an unprimeable number, because it can be changed into a prime (67342733) 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, 4010 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (6537435).

Almost surely, 2^67342736 is an apocalyptic number.

It is an amenable number.

67342736 is a deficient number, since it is larger than the sum of its proper divisors (63405964).

67342736 is a wasteful number, since it uses less digits than its factorization.

67342736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8786 (or 8780 counting only the distinct ones).

The product of its digits is 127008, while the sum is 38.

The square root of 67342736 is about 8206.2619992296. The cubic root of 67342736 is about 406.8461890654.

The spelling of 67342736 in words is "sixty-seven million, three hundred forty-two thousand, seven hundred thirty-six".