36703021 has 4 divisors (see below), whose sum is σ = 36949500. Its totient is φ = 36456544.

The previous prime is 36702997. The next prime is 36703031. The reversal of 36703021 is 12030763.

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 9517225 + 27185796 = 3085^2 + 5214^2 .

It is a cyclic number.

It is not a de Polignac number, because 36703021 - 2¹⁵ = 36670253 is a prime.

It is a super-2 number, since 2×36703021² = 2694223501052882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36702983 and 36703001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36703031) 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, 123016 + ... + 123313.

It is an arithmetic number, because the mean of its divisors is an integer number (9237375).

Almost surely, 2^36703021 is an apocalyptic number.

It is an amenable number.

36703021 is a deficient number, since it is larger than the sum of its proper divisors (246479).

36703021 is a wasteful number, since it uses less digits than its factorization.

36703021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246478.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 36703021 is about 6058.3018247690. The cubic root of 36703021 is about 332.3282577373.

Adding to 36703021 its reverse (12030763), we get a palindrome (48733784).

The spelling of 36703021 in words is "thirty-six million, seven hundred three thousand, twenty-one".