36973481 has 4 divisors (see below), whose sum is σ = 37525392. Its totient is φ = 36421572.

The previous prime is 36973459. The next prime is 36973493. The reversal of 36973481 is 18437963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18437963 = 31 ⋅594773.

It is a cyclic number.

It is not a de Polignac number, because 36973481 - 2¹⁰ = 36972457 is a prime.

It is a super-2 number, since 2×36973481² = 2734076594514722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36973441) 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, 275855 + ... + 275988.

It is an arithmetic number, because the mean of its divisors is an integer number (9381348).

Almost surely, 2^36973481 is an apocalyptic number.

It is an amenable number.

36973481 is a deficient number, since it is larger than the sum of its proper divisors (551911).

36973481 is an equidigital number, since it uses as much as digits as its factorization.

36973481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551910.

The product of its digits is 108864, while the sum is 41.

The square root of 36973481 is about 6080.5822911955. The cubic root of 36973481 is about 333.1425560551.

The spelling of 36973481 in words is "thirty-six million, nine hundred seventy-three thousand, four hundred eighty-one".