33712742 has 16 divisors (see below), whose sum is σ = 59203872. Its totient is φ = 14095680.

The previous prime is 33712729. The next prime is 33712747. The reversal of 33712742 is 24721733.

It is a super-2 number, since 2×33712742² = 2273097946317128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33712747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28793 + ... + 29940.

It is an arithmetic number, because the mean of its divisors is an integer number (3700242).

Almost surely, 2^33712742 is an apocalyptic number.

33712742 is a deficient number, since it is larger than the sum of its proper divisors (25491130).

33712742 is a wasteful number, since it uses less digits than its factorization.

33712742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58783.

The product of its digits is 7056, while the sum is 29.

The square root of 33712742 is about 5806.2674757541. The cubic root of 33712742 is about 323.0462413069.

The spelling of 33712742 in words is "thirty-three million, seven hundred twelve thousand, seven hundred forty-two".