33138746 has 16 divisors (see below), whose sum is σ = 53270784. Its totient is φ = 15405504.

The previous prime is 33138737. The next prime is 33138761. The reversal of 33138746 is 64783133.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050 + ... + 8693.

It is an arithmetic number, because the mean of its divisors is an integer number (3329424).

Almost surely, 2^33138746 is an apocalyptic number.

33138746 is a deficient number, since it is larger than the sum of its proper divisors (20132038).

33138746 is a wasteful number, since it uses less digits than its factorization.

33138746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11845.

The product of its digits is 36288, while the sum is 35.

The square root of 33138746 is about 5756.6262689183. The cubic root of 33138746 is about 321.2023323016.

The spelling of 33138746 in words is "thirty-three million, one hundred thirty-eight thousand, seven hundred forty-six".