90426573 has 6 divisors (see below), whose sum is σ = 130616174. Its totient is φ = 60284376.

The previous prime is 90426571. The next prime is 90426577. The reversal of 90426573 is 37562409.

It can be written as a sum of positive squares in only one way, i.e., 50509449 + 39917124 = 7107^2 + 6318^2 .

It is not a de Polignac number, because 90426573 - 2¹ = 90426571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90426571) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5023690 + ... + 5023707.

Almost surely, 2^90426573 is an apocalyptic number.

It is an amenable number.

90426573 is a deficient number, since it is larger than the sum of its proper divisors (40189601).

90426573 is a wasteful number, since it uses less digits than its factorization.

90426573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10047403 (or 10047400 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 90426573 is about 9509.2887746666. The cubic root of 90426573 is about 448.8473761315.

The spelling of 90426573 in words is "ninety million, four hundred twenty-six thousand, five hundred seventy-three".