36981730 has 16 divisors (see below), whose sum is σ = 66718080. Its totient is φ = 14759152.

The previous prime is 36981719. The next prime is 36981743. The reversal of 36981730 is 3718963.

It is a self number, because there is not a number n which added to its sum of digits gives 36981730.

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, 711 + ... + 8629.

It is an arithmetic number, because the mean of its divisors is an integer number (4169880).

Almost surely, 2^36981730 is an apocalyptic number.

36981730 is a deficient number, since it is larger than the sum of its proper divisors (29736350).

36981730 is a wasteful number, since it uses less digits than its factorization.

36981730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8393.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 36981730 is about 6081.2605601142. The cubic root of 36981730 is about 333.1673295642.

The spelling of 36981730 in words is "thirty-six million, nine hundred eighty-one thousand, seven hundred thirty".