326305730 has 16 divisors (see below), whose sum is σ = 588822264. Its totient is φ = 130195200.

The previous prime is 326305711. The next prime is 326305741. The reversal of 326305730 is 37503623.

It can be written as a sum of positive squares in 4 ways, for example, as 321592489 + 4713241 = 17933^2 + 2171^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 326305693 and 326305702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36677 + ... + 44696.

Almost surely, 2^326305730 is an apocalyptic number.

326305730 is a deficient number, since it is larger than the sum of its proper divisors (262516534).

326305730 is a wasteful number, since it uses less digits than its factorization.

326305730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81781.

The product of its (nonzero) digits is 11340, while the sum is 29.

The square root of 326305730 is about 18063.9345105102. The cubic root of 326305730 is about 688.4539563649.

The spelling of 326305730 in words is "three hundred twenty-six million, three hundred five thousand, seven hundred thirty".