36713421 has 12 divisors (see below), whose sum is σ = 56150172. Its totient is φ = 23035776.

The previous prime is 36713419. The next prime is 36713429. The reversal of 36713421 is 12431763.

It can be written as a sum of positive squares in 2 ways, for example, as 26409321 + 10304100 = 5139^2 + 3210^2 .

It is not a de Polignac number, because 36713421 - 2¹ = 36713419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36713429) 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, 119826 + ... + 120131.

It is an arithmetic number, because the mean of its divisors is an integer number (4679181).

Almost surely, 2^36713421 is an apocalyptic number.

It is an amenable number.

36713421 is a deficient number, since it is larger than the sum of its proper divisors (19436751).

36713421 is a wasteful number, since it uses less digits than its factorization.

36713421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239980 (or 239977 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 36713421 is about 6059.1600903095. The cubic root of 36713421 is about 332.3596437776.

The spelling of 36713421 in words is "thirty-six million, seven hundred thirteen thousand, four hundred twenty-one".