36768481 has 4 divisors (see below), whose sum is σ = 37181700. Its totient is φ = 36355264.

The previous prime is 36768451. The next prime is 36768493. The reversal of 36768481 is 18486763.

36768481 = 230² + 231² + ... + 496².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10595025 + 26173456 = 3255^2 + 5116^2 .

It is a cyclic number.

It is not a de Polignac number, because 36768481 - 2¹³ = 36760289 is a prime.

It is a super-2 number, since 2×36768481² = 2703842390094722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36768451) 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, 206476 + ... + 206653.

It is an arithmetic number, because the mean of its divisors is an integer number (9295425).

Almost surely, 2^36768481 is an apocalyptic number.

It is an amenable number.

36768481 is a deficient number, since it is larger than the sum of its proper divisors (413219).

36768481 is an equidigital number, since it uses as much as digits as its factorization.

36768481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413218.

The product of its digits is 193536, while the sum is 43.

The square root of 36768481 is about 6063.7019220935. The cubic root of 36768481 is about 332.5257100364.

It can be divided in two parts, 36768 and 481, that added together give a square (37249 = 193²).

The spelling of 36768481 in words is "thirty-six million, seven hundred sixty-eight thousand, four hundred eighty-one".