36129872 has 20 divisors (see below), whose sum is σ = 73045920. Its totient is φ = 17279328.

The previous prime is 36129851. The next prime is 36129893. The reversal of 36129872 is 27892163.

It is an interprime number because it is at equal distance from previous prime (36129851) and next prime (36129893).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

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, 48722 + ... + 49457.

It is an arithmetic number, because the mean of its divisors is an integer number (3652296).

Almost surely, 2^36129872 is an apocalyptic number.

It is an amenable number.

36129872 is an abundant number, since it is smaller than the sum of its proper divisors (36916048).

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

36129872 is a wasteful number, since it uses less digits than its factorization.

36129872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98210 (or 98204 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 36129872 is about 6010.8129233906. The cubic root of 36129872 is about 330.5893112350.

The spelling of 36129872 in words is "thirty-six million, one hundred twenty-nine thousand, eight hundred seventy-two".