33256742 has 8 divisors (see below), whose sum is σ = 49945896. Its totient is φ = 16608112.

The previous prime is 33256721. The next prime is 33256757. The reversal of 33256742 is 24765233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33256742² = 2212021776909128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33256699 and 33256708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7988 + ... + 11415.

It is an arithmetic number, because the mean of its divisors is an integer number (6243237).

Almost surely, 2^33256742 is an apocalyptic number.

33256742 is a deficient number, since it is larger than the sum of its proper divisors (16689154).

33256742 is a wasteful number, since it uses less digits than its factorization.

33256742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20262.

The product of its digits is 30240, while the sum is 32.

The square root of 33256742 is about 5766.8658732452. The cubic root of 33256742 is about 321.5831121034.

The spelling of 33256742 in words is "thirty-three million, two hundred fifty-six thousand, seven hundred forty-two".