37216985 has 16 divisors (see below), whose sum is σ = 48580560. Its totient is φ = 27206400.

The previous prime is 37216981. The next prime is 37216987. The reversal of 37216985 is 58961273.

It can be written as a sum of positive squares in 8 ways, for example, as 444889 + 36772096 = 667^2 + 6064^2 .

It is not a de Polignac number, because 37216985 - 2² = 37216981 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (37216981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3731 + ... + 9399.

It is an arithmetic number, because the mean of its divisors is an integer number (3036285).

Almost surely, 2^37216985 is an apocalyptic number.

It is an amenable number.

37216985 is a deficient number, since it is larger than the sum of its proper divisors (11363575).

37216985 is a wasteful number, since it uses less digits than its factorization.

37216985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788.

The product of its digits is 90720, while the sum is 41.

The square root of 37216985 is about 6100.5725141170. The cubic root of 37216985 is about 333.8723052802.

The spelling of 37216985 in words is "thirty-seven million, two hundred sixteen thousand, nine hundred eighty-five".