67061330 has 48 divisors (see below), whose sum is σ = 144293184. Its totient is φ = 21980640.

The previous prime is 67061321. The next prime is 67061333. The reversal of 67061330 is 3316076.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67061330.

It is not an unprimeable number, because it can be changed into a prime (67061333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36125 + ... + 37935.

It is an arithmetic number, because the mean of its divisors is an integer number (3006108).

Almost surely, 2^67061330 is an apocalyptic number.

67061330 is an abundant number, since it is smaller than the sum of its proper divisors (77231854).

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

67061330 is a wasteful number, since it uses less digits than its factorization.

67061330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1848 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 67061330 is about 8189.0982409543. The cubic root of 67061330 is about 406.2786999842.

The spelling of 67061330 in words is "sixty-seven million, sixty-one thousand, three hundred thirty".