326967780 has 48 divisors (see below), whose sum is σ = 928416384. Its totient is φ = 85962240.

The previous prime is 326967761. The next prime is 326967787. The reversal of 326967780 is 87769623.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (326967787) 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, 34117 + ... + 42636.

It is an arithmetic number, because the mean of its divisors is an integer number (19342008).

Almost surely, 2^326967780 is an apocalyptic number.

326967780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326967780 is an abundant number, since it is smaller than the sum of its proper divisors (601448604).

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

326967780 is a wasteful number, since it uses less digits than its factorization.

326967780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76836 (or 76834 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 326967780 is about 18082.2504130432. The cubic root of 326967780 is about 688.9192490763.

The spelling of 326967780 in words is "three hundred twenty-six million, nine hundred sixty-seven thousand, seven hundred eighty".