33729245 has 16 divisors (see below), whose sum is σ = 44280000. Its totient is φ = 24460800.

The previous prime is 33729239. The next prime is 33729277. The reversal of 33729245 is 54292733.

It is not a de Polignac number, because 33729245 - 2⁴ = 33729229 is a prime.

It is a super-2 number, since 2×33729245² = 2275323936540050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26381 + ... + 27629.

It is an arithmetic number, because the mean of its divisors is an integer number (2767500).

Almost surely, 2^33729245 is an apocalyptic number.

It is an amenable number.

33729245 is a deficient number, since it is larger than the sum of its proper divisors (10550755).

33729245 is a wasteful number, since it uses less digits than its factorization.

33729245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756.

The product of its digits is 45360, while the sum is 35.

The square root of 33729245 is about 5807.6884386131. The cubic root of 33729245 is about 323.0989450437.

The spelling of 33729245 in words is "thirty-three million, seven hundred twenty-nine thousand, two hundred forty-five".