36445978 has 8 divisors (see below), whose sum is σ = 54756180. Its totient is φ = 18193920.

The previous prime is 36445963. The next prime is 36445993. The reversal of 36445978 is 87954463.

It is an interprime number because it is at equal distance from previous prime (36445963) and next prime (36445993).

It can be written as a sum of positive squares in 2 ways, for example, as 35605089 + 840889 = 5967^2 + 917^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12933 + ... + 15496.

Almost surely, 2^36445978 is an apocalyptic number.

36445978 is a deficient number, since it is larger than the sum of its proper divisors (18310202).

36445978 is a wasteful number, since it uses less digits than its factorization.

36445978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29072.

The product of its digits is 725760, while the sum is 46.

The square root of 36445978 is about 6037.0504387490. The cubic root of 36445978 is about 331.5506392236.

The spelling of 36445978 in words is "thirty-six million, four hundred forty-five thousand, nine hundred seventy-eight".