67320030 has 32 divisors (see below), whose sum is σ = 162608544. Its totient is φ = 17836416.

The previous prime is 67320023. The next prime is 67320031. The reversal of 67320030 is 3002376.

It is a junction number, because it is equal to n+sod(n) for n = 67319979 and 67320006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67320031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2437 + ... + 11856.

It is an arithmetic number, because the mean of its divisors is an integer number (5081517).

Almost surely, 2^67320030 is an apocalyptic number.

67320030 is an abundant number, since it is smaller than the sum of its proper divisors (95288514).

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

67320030 is a wasteful number, since it uses less digits than its factorization.

67320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 67320030 is about 8204.8784268873. The cubic root of 67320030 is about 406.8004583820.

The spelling of 67320030 in words is "sixty-seven million, three hundred twenty thousand, thirty".