67305740 has 12 divisors (see below), whose sum is σ = 141342096. Its totient is φ = 26922288.

The previous prime is 67305713. The next prime is 67305761. The reversal of 67305740 is 4750376.

It is a junction number, because it is equal to n+sod(n) for n = 67305697 and 67305706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682624 + ... + 1682663.

It is an arithmetic number, because the mean of its divisors is an integer number (11778508).

Almost surely, 2^67305740 is an apocalyptic number.

It is an amenable number.

67305740 is an abundant number, since it is smaller than the sum of its proper divisors (74036356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67305740 is a wasteful number, since it uses less digits than its factorization.

67305740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365296 (or 3365294 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 67305740 is about 8204.0075572856. The cubic root of 67305740 is about 406.7716725465.

The spelling of 67305740 in words is "sixty-seven million, three hundred five thousand, seven hundred forty".