36737821 has 8 divisors (see below), whose sum is σ = 37995264. Its totient is φ = 35484960.

The previous prime is 36737807. The next prime is 36737837. The reversal of 36737821 is 12873763.

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

It is a cyclic number.

It is not a de Polignac number, because 36737821 - 2¹¹ = 36735773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36737861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24921 + ... + 26353.

It is an arithmetic number, because the mean of its divisors is an integer number (4749408).

Almost surely, 2^36737821 is an apocalyptic number.

36737821 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36737821 is a deficient number, since it is larger than the sum of its proper divisors (1257443).

36737821 is a wasteful number, since it uses less digits than its factorization.

36737821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291.

The product of its digits is 42336, while the sum is 37.

The square root of 36737821 is about 6061.1732362638. The cubic root of 36737821 is about 332.4332569975.

The spelling of 36737821 in words is "thirty-six million, seven hundred thirty-seven thousand, eight hundred twenty-one".