90682061 has 4 divisors (see below), whose sum is σ = 90812124. Its totient is φ = 90552000.

The previous prime is 90682027. The next prime is 90682073. The reversal of 90682061 is 16028609.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70879561 + 19802500 = 8419^2 + 4450^2 .

It is a cyclic number.

It is not a de Polignac number, because 90682061 - 2¹⁴ = 90665677 is a prime.

It is a super-3 number, since 3×90682061³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90682001) 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, 63980 + ... + 65381.

It is an arithmetic number, because the mean of its divisors is an integer number (22703031).

Almost surely, 2^90682061 is an apocalyptic number.

It is an amenable number.

90682061 is a deficient number, since it is larger than the sum of its proper divisors (130063).

90682061 is a wasteful number, since it uses less digits than its factorization.

90682061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130062.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 90682061 is about 9522.7129012693. The cubic root of 90682061 is about 449.2696977426.

The spelling of 90682061 in words is "ninety million, six hundred eighty-two thousand, sixty-one".