90325719 has 16 divisors (see below), whose sum is σ = 145981440. Its totient is φ = 54742680.

The previous prime is 90325717. The next prime is 90325733. The reversal of 90325719 is 91752309.

It is not a de Polignac number, because 90325719 - 2¹ = 90325717 is a prime.

It is a super-2 number, since 2×90325719² = 16317471025733922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90325717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151767 + ... + 152360.

It is an arithmetic number, because the mean of its divisors is an integer number (9123840).

Almost surely, 2^90325719 is an apocalyptic number.

90325719 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

90325719 is a deficient number, since it is larger than the sum of its proper divisors (55655721).

90325719 is a wasteful number, since it uses less digits than its factorization.

90325719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304147 (or 304141 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 90325719 is about 9503.9843749872. The cubic root of 90325719 is about 448.6804455064.

The spelling of 90325719 in words is "ninety million, three hundred twenty-five thousand, seven hundred nineteen".