36723816 has 48 divisors (see below), whose sum is σ = 99836100. Its totient is φ = 12195072.

The previous prime is 36723811. The next prime is 36723851. The reversal of 36723816 is 61832763.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36650916 + 72900 = 6054^2 + 270^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (36723811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22020 + ... + 23628.

Almost surely, 2^36723816 is an apocalyptic number.

36723816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

36723816 is an abundant number, since it is smaller than the sum of its proper divisors (63112284).

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

36723816 is a wasteful number, since it uses less digits than its factorization.

36723816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1931 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 36723816 is about 6060.0178217560. The cubic root of 36723816 is about 332.3910088060.

The spelling of 36723816 in words is "thirty-six million, seven hundred twenty-three thousand, eight hundred sixteen".