90616473 has 6 divisors (see below), whose sum is σ = 130890474. Its totient is φ = 60410976.

The previous prime is 90616469. The next prime is 90616489. The reversal of 90616473 is 37461609.

90616473 is a `hidden beast` number, since 9 + 0 + 6 + 1 + 647 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80138304 + 10478169 = 8952^2 + 3237^2 .

It is not a de Polignac number, because 90616473 - 2² = 90616469 is a prime.

It is a super-2 number, since 2×90616473² = 16422690357919458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90616373) 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, 5034240 + ... + 5034257.

It is an arithmetic number, because the mean of its divisors is an integer number (21815079).

Almost surely, 2^90616473 is an apocalyptic number.

It is an amenable number.

90616473 is a deficient number, since it is larger than the sum of its proper divisors (40274001).

90616473 is a wasteful number, since it uses less digits than its factorization.

90616473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068503 (or 10068500 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 90616473 is about 9519.2685118133. The cubic root of 90616473 is about 449.1613565498.

The spelling of 90616473 in words is "ninety million, six hundred sixteen thousand, four hundred seventy-three".