36640722 has 8 divisors (see below), whose sum is σ = 73281456. Its totient is φ = 12213572.

The previous prime is 36640699. The next prime is 36640727. The reversal of 36640722 is 22704663.

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

36640722 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 36640722.

It is not an unprimeable number, because it can be changed into a prime (36640727) 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, 3053388 + ... + 3053399.

It is an arithmetic number, because the mean of its divisors is an integer number (9160182).

Almost surely, 2^36640722 is an apocalyptic number.

36640722 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36640722 is a wasteful number, since it uses less digits than its factorization.

36640722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106792.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 36640722 is about 6053.1580187535. The cubic root of 36640722 is about 332.1401220593.

The spelling of 36640722 in words is "thirty-six million, six hundred forty thousand, seven hundred twenty-two".