67304790 has 128 divisors (see below), whose sum is σ = 207360000. Its totient is φ = 15216768.

The previous prime is 67304789. The next prime is 67304827. The reversal of 67304790 is 9740376.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 281491 + ... + 281729.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 2^67304790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67304790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103680000).

67304790 is an abundant number, since it is smaller than the sum of its proper divisors (140055210).

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

67304790 is a wasteful number, since it uses less digits than its factorization.

67304790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411 (or 405 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 67304790 is about 8203.9496585486. The cubic root of 67304790 is about 406.7697587182.

The spelling of 67304790 in words is "sixty-seven million, three hundred four thousand, seven hundred ninety".