36491273 has 16 divisors (see below), whose sum is σ = 45077760. Its totient is φ = 28766016.

The previous prime is 36491269. The next prime is 36491281. The reversal of 36491273 is 37219463.

It is a cyclic number.

It is not a de Polignac number, because 36491273 - 2² = 36491269 is a prime.

It is a super-2 number, since 2×36491273² = 2663226010321058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36491233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32111 + ... + 33227.

It is an arithmetic number, because the mean of its divisors is an integer number (2817360).

Almost surely, 2^36491273 is an apocalyptic number.

It is an amenable number.

36491273 is a deficient number, since it is larger than the sum of its proper divisors (8586487).

36491273 is a wasteful number, since it uses less digits than its factorization.

36491273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its digits is 27216, while the sum is 35.

The square root of 36491273 is about 6040.8006919613. The cubic root of 36491273 is about 331.6879325551.

The spelling of 36491273 in words is "thirty-six million, four hundred ninety-one thousand, two hundred seventy-three".