90220753 has 8 divisors (see below), whose sum is σ = 103188608. Its totient is φ = 77272704.

The previous prime is 90220747. The next prime is 90220771. The reversal of 90220753 is 35702209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90220753 - 2¹³ = 90212561 is a prime.

It is a super-3 number, since 3×90220753³ (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 (90220703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6625 + ... + 14977.

It is an arithmetic number, because the mean of its divisors is an integer number (12898576).

Almost surely, 2^90220753 is an apocalyptic number.

It is an amenable number.

90220753 is a deficient number, since it is larger than the sum of its proper divisors (12967855).

90220753 is a wasteful number, since it uses less digits than its factorization.

90220753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9903.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 90220753 is about 9498.4605594802. The cubic root of 90220753 is about 448.5065768041.

The spelling of 90220753 in words is "ninety million, two hundred twenty thousand, seven hundred fifty-three".