327698730 has 64 divisors (see below), whose sum is σ = 876193920. Its totient is φ = 87153408.

The previous prime is 327698729. The next prime is 327698731. The reversal of 327698730 is 37896723.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (327698729) and next prime (327698731).

It is a super-2 number, since 2×327698730² = 214772915287225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (327698731) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 115509 + ... + 118311.

It is an arithmetic number, because the mean of its divisors is an integer number (13690530).

Almost surely, 2^327698730 is an apocalyptic number.

327698730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 327698730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438096960).

327698730 is an abundant number, since it is smaller than the sum of its proper divisors (548495190).

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

327698730 is a wasteful number, since it uses less digits than its factorization.

327698730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252 (or 3246 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 327698730 is about 18102.4509390303. The cubic root of 327698730 is about 689.4322361595.

The spelling of 327698730 in words is "three hundred twenty-seven million, six hundred ninety-eight thousand, seven hundred thirty".