90656474 has 8 divisors (see below), whose sum is σ = 136885728. Its totient is φ = 45027900.

The previous prime is 90656473. The next prime is 90656477. The reversal of 90656474 is 47465609.

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

It is a super-2 number, since 2×90656474² = 16437192556225352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90656471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149792 + ... + 150395.

It is an arithmetic number, because the mean of its divisors is an integer number (17110716).

Almost surely, 2^90656474 is an apocalyptic number.

90656474 is a deficient number, since it is larger than the sum of its proper divisors (46229254).

90656474 is a wasteful number, since it uses less digits than its factorization.

90656474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300340.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 90656474 is about 9521.3693342922. The cubic root of 90656474 is about 449.2274382079.

The spelling of 90656474 in words is "ninety million, six hundred fifty-six thousand, four hundred seventy-four".