36081590 has 16 divisors (see below), whose sum is σ = 65095488. Its totient is φ = 14399616.

The previous prime is 36081581. The next prime is 36081593. The reversal of 36081590 is 9518063.

It is a super-2 number, since 2×36081590² = 2603762273856200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36081593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734 + ... + 8526.

It is an arithmetic number, because the mean of its divisors is an integer number (4068468).

Almost surely, 2^36081590 is an apocalyptic number.

36081590 is a deficient number, since it is larger than the sum of its proper divisors (29013898).

36081590 is a wasteful number, since it uses less digits than its factorization.

36081590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8263.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 36081590 is about 6006.7953186371. The cubic root of 36081590 is about 330.4419850517.

The spelling of 36081590 in words is "thirty-six million, eighty-one thousand, five hundred ninety".