33730436 has 12 divisors (see below), whose sum is σ = 59355660.
Its totient is φ = 16771680.
The previous prime is 33730429. The next prime is 33730439. The reversal of 33730436 is 63403733.
It can be written as a sum of positive squares in 2 ways, for example, as 1012036 + 32718400 = 1006^2 + 5720^2
It is a super-2 number, since 2×337304362 = 2275484625500192, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 33730399 and 33730408.
It is not an unprimeable number, because it can be changed into a prime (33730439) 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, 22571 + ... + 24018.
It is an arithmetic number, because the mean of its divisors is an integer number (4946305).
Almost surely, 233730436 is an apocalyptic number.
It is an amenable number.
33730436 is a deficient number, since it is larger than the sum of its proper divisors (25625224).
33730436 is a wasteful number, since it uses less digits than its factorization.
33730436 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46774 (or 46772 counting only the distinct ones).
The product of its (nonzero) digits is 13608, while the sum is 29.
The square root of 33730436 is about 5807.7909742001.
The cubic root of 33730436 is about 323.1027479386.
The spelling of 33730436 in words is "thirty-three million, seven hundred thirty thousand, four hundred thirty-six".