42920733 has 16 divisors (see below), whose sum is σ = 60730560. Its totient is φ = 26870016.

The previous prime is 42920701. The next prime is 42920741. The reversal of 42920733 is 33702924.

It is not a de Polignac number, because 42920733 - 2⁵ = 42920701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42920733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42920743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35566 + ... + 36752.

It is an arithmetic number, because the mean of its divisors is an integer number (3795660).

Almost surely, 2^42920733 is an apocalyptic number.

It is an amenable number.

42920733 is a deficient number, since it is larger than the sum of its proper divisors (17809827).

42920733 is a wasteful number, since it uses less digits than its factorization.

42920733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1916.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 42920733 is about 6551.3916842149. The cubic root of 42920733 is about 350.1243993173.

The spelling of 42920733 in words is "forty-two million, nine hundred twenty thousand, seven hundred thirty-three".