36072997 has 4 divisors (see below), whose sum is σ = 38194956. Its totient is φ = 33951040.

The previous prime is 36072983. The next prime is 36073003. The reversal of 36072997 is 79927063.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28238596 + 7834401 = 5314^2 + 2799^2 .

It is not a de Polignac number, because 36072997 - 2¹⁵ = 36040229 is a prime.

It is a super-2 number, since 2×36072997² = 2602522225124018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36072917) 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, 1060954 + ... + 1060987.

It is an arithmetic number, because the mean of its divisors is an integer number (9548739).

Almost surely, 2^36072997 is an apocalyptic number.

It is an amenable number.

36072997 is a deficient number, since it is larger than the sum of its proper divisors (2121959).

36072997 is a wasteful number, since it uses less digits than its factorization.

36072997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2121958.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 36072997 is about 6006.0800027972. The cubic root of 36072997 is about 330.4157508658.

The spelling of 36072997 in words is "thirty-six million, seventy-two thousand, nine hundred ninety-seven".