36722429 has 4 divisors (see below), whose sum is σ = 37618140. Its totient is φ = 35826720.

The previous prime is 36722393. The next prime is 36722443. The reversal of 36722429 is 92422763.

It is a happy number.

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 9703225 + 27019204 = 3115^2 + 5198^2 .

It is a cyclic number.

It is not a de Polignac number, because 36722429 - 2⁸ = 36722173 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30722429) 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, 447794 + ... + 447875.

It is an arithmetic number, because the mean of its divisors is an integer number (9404535).

Almost surely, 2^36722429 is an apocalyptic number.

It is an amenable number.

36722429 is a deficient number, since it is larger than the sum of its proper divisors (895711).

36722429 is an equidigital number, since it uses as much as digits as its factorization.

36722429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895710.

The product of its digits is 36288, while the sum is 35.

The square root of 36722429 is about 6059.9033820681. The cubic root of 36722429 is about 332.3868241271.

The spelling of 36722429 in words is "thirty-six million, seven hundred twenty-two thousand, four hundred twenty-nine".