33942730 has 16 divisors (see below), whose sum is σ = 61344864. Its totient is φ = 13522000.

The previous prime is 33942719. The next prime is 33942743. The reversal of 33942730 is 3724933.

It is a junction number, because it is equal to n+sod(n) for n = 33942692 and 33942701.

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, 4252 + ... + 9271.

It is an arithmetic number, because the mean of its divisors is an integer number (3834054).

Almost surely, 2^33942730 is an apocalyptic number.

33942730 is a deficient number, since it is larger than the sum of its proper divisors (27402134).

33942730 is a wasteful number, since it uses less digits than its factorization.

33942730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13781.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 33942730 is about 5826.0389631378. The cubic root of 33942730 is about 323.7791832292.

The spelling of 33942730 in words is "thirty-three million, nine hundred forty-two thousand, seven hundred thirty".