67378530 has 16 divisors (see below), whose sum is σ = 161708544. Its totient is φ = 17967600.

The previous prime is 67378501. The next prime is 67378537. The reversal of 67378530 is 3587376.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (67378537) 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, 1122946 + ... + 1123005.

It is an arithmetic number, because the mean of its divisors is an integer number (10106784).

Almost surely, 2^67378530 is an apocalyptic number.

67378530 is an abundant number, since it is smaller than the sum of its proper divisors (94330014).

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

67378530 is a wasteful number, since it uses less digits than its factorization.

67378530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245961.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 67378530 is about 8208.4426050256. The cubic root of 67378530 is about 406.9182585713.

The spelling of 67378530 in words is "sixty-seven million, three hundred seventy-eight thousand, five hundred thirty".