36427731 has 8 divisors (see below), whose sum is σ = 51126720. Its totient is φ = 23006952.

The previous prime is 36427723. The next prime is 36427733. The reversal of 36427731 is 13772463.

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

It is not a de Polignac number, because 36427731 - 2³ = 36427723 is a prime.

It is a super-2 number, since 2×36427731² = 2653959171616722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36427692 and 36427701.

It is not an unprimeable number, because it can be changed into a prime (36427733) 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, 319485 + ... + 319598.

It is an arithmetic number, because the mean of its divisors is an integer number (6390840).

Almost surely, 2^36427731 is an apocalyptic number.

36427731 is a deficient number, since it is larger than the sum of its proper divisors (14698989).

36427731 is a wasteful number, since it uses less digits than its factorization.

36427731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639105.

The product of its digits is 21168, while the sum is 33.

The square root of 36427731 is about 6035.5389983000. The cubic root of 36427731 is about 331.4952987374.

The spelling of 36427731 in words is "thirty-six million, four hundred twenty-seven thousand, seven hundred thirty-one".