33109457 has 16 divisors (see below), whose sum is σ = 36556800. Its totient is φ = 29866320.

The previous prime is 33109423. The next prime is 33109459. The reversal of 33109457 is 75490133.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33109457 - 2⁶ = 33109393 is a prime.

It is a super-2 number, since 2×33109457² = 2192472285669698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33109459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39044 + ... + 39882.

It is an arithmetic number, because the mean of its divisors is an integer number (2284800).

Almost surely, 2^33109457 is an apocalyptic number.

It is an amenable number.

33109457 is a deficient number, since it is larger than the sum of its proper divisors (3447343).

33109457 is a wasteful number, since it uses less digits than its factorization.

33109457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 33109457 is about 5754.0817686230. The cubic root of 33109457 is about 321.1076750478.

The spelling of 33109457 in words is "thirty-three million, one hundred nine thousand, four hundred fifty-seven".