33576961 has 4 divisors (see below), whose sum is σ = 36629424. Its totient is φ = 30524500.

The previous prime is 33576943. The next prime is 33576967. The reversal of 33576961 is 16967533.

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: 16967533 = 11 ⋅1542503.

It is a cyclic number.

It is not a de Polignac number, because 33576961 - 2⁵ = 33576929 is a prime.

It is a super-2 number, since 2×33576961² = 2254824619991042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33576967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526215 + ... + 1526236.

It is an arithmetic number, because the mean of its divisors is an integer number (9157356).

Almost surely, 2^33576961 is an apocalyptic number.

It is an amenable number.

33576961 is a deficient number, since it is larger than the sum of its proper divisors (3052463).

33576961 is a wasteful number, since it uses less digits than its factorization.

33576961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052462.

The product of its digits is 102060, while the sum is 40.

The square root of 33576961 is about 5794.5630551406. The cubic root of 33576961 is about 322.6119588044.

The spelling of 33576961 in words is "thirty-three million, five hundred seventy-six thousand, nine hundred sixty-one".