36997668 has 48 divisors (see below), whose sum is σ = 97370560. Its totient is φ = 12146112.

The previous prime is 36997619. The next prime is 36997679. The reversal of 36997668 is 86679963.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4680 + ... + 9792.

Almost surely, 2^36997668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36997668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48685280).

36997668 is an abundant number, since it is smaller than the sum of its proper divisors (60372892).

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

36997668 is a wasteful number, since it uses less digits than its factorization.

36997668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193 (or 5185 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 36997668 is about 6082.5708380585. The cubic root of 36997668 is about 333.2151843496.

The spelling of 36997668 in words is "thirty-six million, nine hundred ninety-seven thousand, six hundred sixty-eight".