90030708 has 72 divisors (see below), whose sum is σ = 242758152. Its totient is φ = 28035072.

The previous prime is 90030701. The next prime is 90030719. The reversal of 90030708 is 80703009.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2196324 + 87834384 = 1482^2 + 9372^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90030701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95616 + ... + 96552.

It is an arithmetic number, because the mean of its divisors is an integer number (3371641).

Almost surely, 2^90030708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90030708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121379076).

90030708 is an abundant number, since it is smaller than the sum of its proper divisors (152727444).

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

90030708 is a wasteful number, since it uses less digits than its factorization.

90030708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1116 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 90030708 is about 9488.4512961811. The cubic root of 90030708 is about 448.1914373700.

The spelling of 90030708 in words is "ninety million, thirty thousand, seven hundred eight".