33876945 has 12 divisors (see below), whose sum is σ = 58720116. Its totient is φ = 18067680.

The previous prime is 33876917. The next prime is 33876967. The reversal of 33876945 is 54967833.

It can be written as a sum of positive squares in 2 ways, for example, as 15421329 + 18455616 = 3927^2 + 4296^2 .

It is not a de Polignac number, because 33876945 - 2¹⁰ = 33875921 is a prime.

It is a super-2 number, since 2×33876945² = 2295294805066050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 752821 = 33876945 / (3 + 3 + 8 + 7 + 6 + 9 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 33876945.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376366 + ... + 376455.

It is an arithmetic number, because the mean of its divisors is an integer number (4893343).

Almost surely, 2^33876945 is an apocalyptic number.

It is an amenable number.

33876945 is a deficient number, since it is larger than the sum of its proper divisors (24843171).

33876945 is a wasteful number, since it uses less digits than its factorization.

33876945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 752832 (or 752829 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 33876945 is about 5820.3904508203. The cubic root of 33876945 is about 323.5698739120.

The spelling of 33876945 in words is "thirty-three million, eight hundred seventy-six thousand, nine hundred forty-five".