90446473 has 8 divisors (see below), whose sum is σ = 97483400. Its totient is φ = 83420928.

The previous prime is 90446467. The next prime is 90446483. The reversal of 90446473 is 37464409.

It can be written as a sum of positive squares in 4 ways, for example, as 27846729 + 62599744 = 5277^2 + 7912^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90446473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90446413) 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, 21313 + ... + 25201.

It is an arithmetic number, because the mean of its divisors is an integer number (12185425).

Almost surely, 2^90446473 is an apocalyptic number.

It is an amenable number.

90446473 is a deficient number, since it is larger than the sum of its proper divisors (7036927).

90446473 is a wasteful number, since it uses less digits than its factorization.

90446473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 90446473 is about 9510.3350624465. The cubic root of 90446473 is about 448.8802993728.

The spelling of 90446473 in words is "ninety million, four hundred forty-six thousand, four hundred seventy-three".