42702723 has 24 divisors (see below), whose sum is σ = 70682976. Its totient is φ = 24336000.

The previous prime is 42702721. The next prime is 42702731. The reversal of 42702723 is 32720724.

42702723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42702723 - 2¹ = 42702721 is a prime.

It is a super-2 number, since 2×42702723² = 3647045103229458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42702721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32173 + ... + 33473.

It is an arithmetic number, because the mean of its divisors is an integer number (2945124).

Almost surely, 2^42702723 is an apocalyptic number.

42702723 is a deficient number, since it is larger than the sum of its proper divisors (27980253).

42702723 is a wasteful number, since it uses less digits than its factorization.

42702723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 42702723 is about 6534.7320526553. The cubic root of 42702723 is about 349.5305897692.

The spelling of 42702723 in words is "forty-two million, seven hundred two thousand, seven hundred twenty-three".