36028731 has 8 divisors (see below), whose sum is σ = 50566720. Its totient is φ = 22754952.

The previous prime is 36028721. The next prime is 36028753. The reversal of 36028731 is 13782063.

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

It is not a de Polignac number, because 36028731 - 2⁶ = 36028667 is a prime.

It is a super-2 number, since 2×36028731² = 2596138914940722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36028721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315985 + ... + 316098.

It is an arithmetic number, because the mean of its divisors is an integer number (6320840).

Almost surely, 2^36028731 is an apocalyptic number.

36028731 is a deficient number, since it is larger than the sum of its proper divisors (14537989).

36028731 is a wasteful number, since it uses less digits than its factorization.

36028731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632105.

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

The square root of 36028731 is about 6002.3937724878. The cubic root of 36028731 is about 330.2805419687.

The spelling of 36028731 in words is "thirty-six million, twenty-eight thousand, seven hundred thirty-one".