67064730 has 16 divisors (see below), whose sum is σ = 160955424. Its totient is φ = 17883920.

The previous prime is 67064717. The next prime is 67064731. The reversal of 67064730 is 3746076.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67064691 and 67064700.

It is not an unprimeable number, because it can be changed into a prime (67064731) 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, 1117716 + ... + 1117775.

It is an arithmetic number, because the mean of its divisors is an integer number (10059714).

Almost surely, 2^67064730 is an apocalyptic number.

67064730 is an abundant number, since it is smaller than the sum of its proper divisors (93890694).

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

67064730 is a wasteful number, since it uses less digits than its factorization.

67064730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235501.

The product of its (nonzero) digits is 21168, while the sum is 33.

The square root of 67064730 is about 8189.3058313877. The cubic root of 67064730 is about 406.2855659592.

The spelling of 67064730 in words is "sixty-seven million, sixty-four thousand, seven hundred thirty".