36478731 has 8 divisors (see below), whose sum is σ = 48961024. Its totient is φ = 24157800.

The previous prime is 36478711. The next prime is 36478733. The reversal of 36478731 is 13787463.

36478731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 36478731 - 2¹¹ = 36476683 is a prime.

It is a super-2 number, since 2×36478731² = 2661395630740722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36478731.

It is not an unprimeable number, because it can be changed into a prime (36478733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39811 + ... + 40716.

It is an arithmetic number, because the mean of its divisors is an integer number (6120128).

Almost surely, 2^36478731 is an apocalyptic number.

36478731 is a deficient number, since it is larger than the sum of its proper divisors (12482293).

36478731 is a wasteful number, since it uses less digits than its factorization.

36478731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80681.

The product of its digits is 84672, while the sum is 39.

The square root of 36478731 is about 6039.7624953304. The cubic root of 36478731 is about 331.6499279730.

The spelling of 36478731 in words is "thirty-six million, four hundred seventy-eight thousand, seven hundred thirty-one".