36721263 has 8 divisors (see below), whose sum is σ = 49632688. Its totient is φ = 24145344.

The previous prime is 36721259. The next prime is 36721273. The reversal of 36721263 is 36212763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36721263 - 2² = 36721259 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36721263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36721213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83620 + ... + 84057.

It is an arithmetic number, because the mean of its divisors is an integer number (6204086).

Almost surely, 2^36721263 is an apocalyptic number.

36721263 is a deficient number, since it is larger than the sum of its proper divisors (12911425).

36721263 is a wasteful number, since it uses less digits than its factorization.

36721263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167753.

The product of its digits is 9072, while the sum is 30.

The square root of 36721263 is about 6059.8071751500. The cubic root of 36721263 is about 332.3833061396.

The spelling of 36721263 in words is "thirty-six million, seven hundred twenty-one thousand, two hundred sixty-three".