90782361 has 24 divisors (see below), whose sum is σ = 138921120. Its totient is φ = 56966976.

The previous prime is 90782359. The next prime is 90782381. The reversal of 90782361 is 16328709.

It is not a de Polignac number, because 90782361 - 2¹ = 90782359 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90782381) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26245 + ... + 29501.

It is an arithmetic number, because the mean of its divisors is an integer number (5788380).

Almost surely, 2^90782361 is an apocalyptic number.

It is an amenable number.

90782361 is a deficient number, since it is larger than the sum of its proper divisors (48138759).

90782361 is a wasteful number, since it uses less digits than its factorization.

90782361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445 (or 3442 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 90782361 is about 9527.9778022411. The cubic root of 90782361 is about 449.4352767876.

The spelling of 90782361 in words is "ninety million, seven hundred eighty-two thousand, three hundred sixty-one".