90620473 has 8 divisors (see below), whose sum is σ = 91248192. Its totient is φ = 89995536.

The previous prime is 90620461. The next prime is 90620527. The reversal of 90620473 is 37402609.

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 90620473 - 2¹³ = 90612281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90620773) 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 7 ways as a sum of consecutive naturals, for example, 154086 + ... + 154672.

It is an arithmetic number, because the mean of its divisors is an integer number (11406024).

Almost surely, 2^90620473 is an apocalyptic number.

It is an amenable number.

90620473 is a deficient number, since it is larger than the sum of its proper divisors (627719).

90620473 is a wasteful number, since it uses less digits than its factorization.

90620473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 90620473 is about 9519.4786096719. The cubic root of 90620473 is about 449.1679654254.

The spelling of 90620473 in words is "ninety million, six hundred twenty thousand, four hundred seventy-three".