36421756 has 24 divisors (see below), whose sum is σ = 73020416. Its totient is φ = 15571440.

The previous prime is 36421751. The next prime is 36421771. The reversal of 36421756 is 65712463.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36421751) 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, 12301 + ... + 14971.

Almost surely, 2^36421756 is an apocalyptic number.

It is an amenable number.

36421756 is an abundant number, since it is smaller than the sum of its proper divisors (36598660).

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

36421756 is a wasteful number, since it uses less digits than its factorization.

36421756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3169 (or 3167 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 36421756 is about 6035.0439932116. The cubic root of 36421756 is about 331.4771734186.

The spelling of 36421756 in words is "thirty-six million, four hundred twenty-one thousand, seven hundred fifty-six".