90616474 has 16 divisors (see below), whose sum is σ = 151429320. Its totient is φ = 40380480.

The previous prime is 90616469. The next prime is 90616489. The reversal of 90616474 is 47461609.

It can be written as a sum of positive squares in 4 ways, for example, as 83631025 + 6985449 = 9145^2 + 2643^2 .

It is a super-2 number, since 2×90616474² = 16422690720385352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59337 + ... + 60844.

Almost surely, 2^90616474 is an apocalyptic number.

90616474 is a deficient number, since it is larger than the sum of its proper divisors (60812846).

90616474 is a wasteful number, since it uses less digits than its factorization.

90616474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120225.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 90616474 is about 9519.2685643383. The cubic root of 90616474 is about 449.1613582021.

The spelling of 90616474 in words is "ninety million, six hundred sixteen thousand, four hundred seventy-four".