36472921 has 2 divisors, whose sum is σ = 36472922. Its totient is φ = 36472920.

The previous prime is 36472879. The next prime is 36472979. The reversal of 36472921 is 12927463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31584400 + 4888521 = 5620^2 + 2211^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36472921 is a prime.

It is not a weakly prime, because it can be changed into another prime (36472421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18236460 + 18236461.

It is an arithmetic number, because the mean of its divisors is an integer number (18236461).

Almost surely, 2^36472921 is an apocalyptic number.

It is an amenable number.

36472921 is a deficient number, since it is larger than the sum of its proper divisors (1).

36472921 is an equidigital number, since it uses as much as digits as its factorization.

36472921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 34.

The square root of 36472921 is about 6039.2814969995. The cubic root of 36472921 is about 331.6323196449.

The spelling of 36472921 in words is "thirty-six million, four hundred seventy-two thousand, nine hundred twenty-one".