636074 has 8 divisors (see below), whose sum is σ = 977508. Its totient is φ = 310240.

The previous prime is 636073. The next prime is 636107. The reversal of 636074 is 470636.

636074 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 628849 + 7225 = 793^2 + 85^2 .

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 636074.

It is not an unprimeable number, because it can be changed into a prime (636071) 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, 3797 + ... + 3960.

2⁶³⁶⁰⁷⁴ is an apocalyptic number.

636074 is a deficient number, since it is larger than the sum of its proper divisors (341434).

636074 is a wasteful number, since it uses less digits than its factorization.

636074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7800.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 636074 is about 797.5424753579. The cubic root of 636074 is about 86.0008112417. Note that the first 3 decimals are identical.

The spelling of 636074 in words is "six hundred thirty-six thousand, seventy-four".