36870213 has 4 divisors (see below), whose sum is σ = 49160288. Its totient is φ = 24580140.

The previous prime is 36870209. The next prime is 36870217. The reversal of 36870213 is 31207863.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (36870209) and next prime (36870217).

It is not a de Polignac number, because 36870213 - 2² = 36870209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36870217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6145033 + ... + 6145038.

It is an arithmetic number, because the mean of its divisors is an integer number (12290072).

Almost surely, 2^36870213 is an apocalyptic number.

It is an amenable number.

36870213 is a deficient number, since it is larger than the sum of its proper divisors (12290075).

36870213 is a wasteful number, since it uses less digits than its factorization.

36870213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12290074.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 36870213 is about 6072.0847326104. The cubic root of 36870213 is about 332.8321079192.

The spelling of 36870213 in words is "thirty-six million, eight hundred seventy thousand, two hundred thirteen".