36642290 has 16 divisors (see below), whose sum is σ = 66248280. Its totient is φ = 14592000.

The previous prime is 36642269. The next prime is 36642311. The reversal of 36642290 is 9224663.

It is an interprime number because it is at equal distance from previous prime (36642269) and next prime (36642311).

It can be written as a sum of positive squares in 4 ways, for example, as 36638809 + 3481 = 6053^2 + 59^2 .

It is a Curzon number.

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, 5711 + ... + 10290.

Almost surely, 2^36642290 is an apocalyptic number.

36642290 is a deficient number, since it is larger than the sum of its proper divisors (29605990).

36642290 is a wasteful number, since it uses less digits than its factorization.

36642290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16237.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 36642290 is about 6053.2875365375. The cubic root of 36642290 is about 332.1448598506.

The spelling of 36642290 in words is "thirty-six million, six hundred forty-two thousand, two hundred ninety".