33828737 has 4 divisors (see below), whose sum is σ = 33868800. Its totient is φ = 33788676.

The previous prime is 33828701. The next prime is 33828763. The reversal of 33828737 is 73782833.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73782833 = 19 ⋅3883307.

It is a cyclic number.

It is not a de Polignac number, because 33828737 - 2¹⁶ = 33763201 is a prime.

It is a super-2 number, since 2×33828737² = 2288766894030338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33828694 and 33828703.

It is not an unprimeable number, because it can be changed into a prime (33828337) 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, 18737 + ... + 20462.

It is an arithmetic number, because the mean of its divisors is an integer number (8467200).

Almost surely, 2^33828737 is an apocalyptic number.

It is an amenable number.

33828737 is a deficient number, since it is larger than the sum of its proper divisors (40063).

33828737 is an equidigital number, since it uses as much as digits as its factorization.

33828737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40062.

The product of its digits is 169344, while the sum is 41.

The square root of 33828737 is about 5816.2476735435. The cubic root of 33828737 is about 323.4163175482.

The spelling of 33828737 in words is "thirty-three million, eight hundred twenty-eight thousand, seven hundred thirty-seven".