36722387 has 16 divisors (see below), whose sum is σ = 40803840. Its totient is φ = 32834592.

The previous prime is 36722341. The next prime is 36722393. The reversal of 36722387 is 78322763.

It is a cyclic number.

It is not a de Polignac number, because 36722387 - 2²⁴ = 19945171 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 36722387.

It is not an unprimeable number, because it can be changed into a prime (36722327) 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, 99878 + ... + 100244.

It is an arithmetic number, because the mean of its divisors is an integer number (2550240).

Almost surely, 2^36722387 is an apocalyptic number.

36722387 is a deficient number, since it is larger than the sum of its proper divisors (4081453).

36722387 is a wasteful number, since it uses less digits than its factorization.

36722387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602.

The product of its digits is 84672, while the sum is 38.

The square root of 36722387 is about 6059.8999166653. The cubic root of 36722387 is about 332.3866974084.

The spelling of 36722387 in words is "thirty-six million, seven hundred twenty-two thousand, three hundred eighty-seven".