36989730 has 32 divisors (see below), whose sum is σ = 98640000. Its totient is φ = 9863856.

The previous prime is 36989723. The next prime is 36989731. The reversal of 36989730 is 3798963.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (36989731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68230 + ... + 68769.

It is an arithmetic number, because the mean of its divisors is an integer number (3082500).

Almost surely, 2^36989730 is an apocalyptic number.

36989730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

36989730 is an abundant number, since it is smaller than the sum of its proper divisors (61650270).

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

36989730 is a wasteful number, since it uses less digits than its factorization.

36989730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137015 (or 137009 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 36989730 is about 6081.9182829104. The cubic root of 36989730 is about 333.1913517545.

The spelling of 36989730 in words is "thirty-six million, nine hundred eighty-nine thousand, seven hundred thirty".