36281973 has 32 divisors (see below), whose sum is σ = 59867136. Its totient is φ = 19032768.

The previous prime is 36281969. The next prime is 36281989. The reversal of 36281973 is 37918263.

It is not a de Polignac number, because 36281973 - 2² = 36281969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36281933) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94540 + ... + 94922.

It is an arithmetic number, because the mean of its divisors is an integer number (1870848).

Almost surely, 2^36281973 is an apocalyptic number.

It is an amenable number.

36281973 is a deficient number, since it is larger than the sum of its proper divisors (23585163).

36281973 is a wasteful number, since it uses less digits than its factorization.

36281973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753.

The product of its digits is 54432, while the sum is 39.

The square root of 36281973 is about 6023.4519172979. The cubic root of 36281973 is about 331.0525711870.

The spelling of 36281973 in words is "thirty-six million, two hundred eighty-one thousand, nine hundred seventy-three".