90030753 has 6 divisors (see below), whose sum is σ = 130044434. Its totient is φ = 60020496.

The previous prime is 90030737. The next prime is 90030779. The reversal of 90030753 is 35703009.

It can be written as a sum of positive squares in only one way, i.e., 88510464 + 1520289 = 9408^2 + 1233^2 .

It is not a de Polignac number, because 90030753 - 2⁴ = 90030737 is a prime.

It is a super-3 number, since 3×90030753³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90030253) 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 5 ways as a sum of consecutive naturals, for example, 5001700 + ... + 5001717.

Almost surely, 2^90030753 is an apocalyptic number.

It is an amenable number.

90030753 is a deficient number, since it is larger than the sum of its proper divisors (40013681).

90030753 is a wasteful number, since it uses less digits than its factorization.

90030753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003423 (or 10003420 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 27.

The square root of 90030753 is about 9488.4536674845. The cubic root of 90030753 is about 448.1915120431.

The spelling of 90030753 in words is "ninety million, thirty thousand, seven hundred fifty-three".