325820730 has 32 divisors (see below), whose sum is σ = 784753344. Its totient is φ = 86576256.

The previous prime is 325820717. The next prime is 325820743. The reversal of 325820730 is 37028523.

It is an interprime number because it is at equal distance from previous prime (325820717) and next prime (325820743).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10699 + ... + 27678.

It is an arithmetic number, because the mean of its divisors is an integer number (24523542).

Almost surely, 2^325820730 is an apocalyptic number.

325820730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

325820730 is an abundant number, since it is smaller than the sum of its proper divisors (458932614).

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

325820730 is a wasteful number, since it uses less digits than its factorization.

325820730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38670.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 325820730 is about 18050.5049790858. The cubic root of 325820730 is about 688.1126959005.

The spelling of 325820730 in words is "three hundred twenty-five million, eight hundred twenty thousand, seven hundred thirty".