67390330 has 32 divisors (see below), whose sum is σ = 139708800. Its totient is φ = 22925760.

The previous prime is 67390319. The next prime is 67390343. The reversal of 67390330 is 3309376.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67390292 and 67390301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5496 + ... + 12844.

It is an arithmetic number, because the mean of its divisors is an integer number (4365900).

Almost surely, 2^67390330 is an apocalyptic number.

67390330 is an abundant number, since it is smaller than the sum of its proper divisors (72318470).

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

67390330 is a wasteful number, since it uses less digits than its factorization.

67390330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7494.

The product of its (nonzero) digits is 10206, while the sum is 31.

The square root of 67390330 is about 8209.1613457161. The cubic root of 67390330 is about 406.9420117123.

The spelling of 67390330 in words is "sixty-seven million, three hundred ninety thousand, three hundred thirty".