36609768 has 48 divisors (see below), whose sum is σ = 106781220. Its totient is φ = 11264256.

The previous prime is 36609763. The next prime is 36609787. The reversal of 36609768 is 86790663.

36609768 is a `hidden beast` number, since 36 + 609 + 7 + 6 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30935844 + 5673924 = 5562^2 + 2382^2 .

It is a super-2 number, since 2×36609768² = 2680550226027648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36609763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18621 + ... + 20492.

Almost surely, 2^36609768 is an apocalyptic number.

It is an amenable number.

36609768 is an abundant number, since it is smaller than the sum of its proper divisors (70171452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36609768 is a wasteful number, since it uses less digits than its factorization.

36609768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39138 (or 39131 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 36609768 is about 6050.6006313423. The cubic root of 36609768 is about 332.0465652981.

The spelling of 36609768 in words is "thirty-six million, six hundred nine thousand, seven hundred sixty-eight".