42693434 has 16 divisors (see below), whose sum is σ = 73839168. Its totient is φ = 18134592.

The previous prime is 42693421. The next prime is 42693439. The reversal of 42693434 is 43439624.

It is a junction number, because it is equal to n+sod(n) for n = 42693394 and 42693403.

It is not an unprimeable number, because it can be changed into a prime (42693439) 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, 11912 + ... + 15075.

It is an arithmetic number, because the mean of its divisors is an integer number (4614948).

Almost surely, 2^42693434 is an apocalyptic number.

42693434 is a deficient number, since it is larger than the sum of its proper divisors (31145734).

42693434 is a wasteful number, since it uses less digits than its factorization.

42693434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27109.

The product of its digits is 62208, while the sum is 35.

The square root of 42693434 is about 6534.0212733048. The cubic root of 42693434 is about 349.5052438047.

The spelling of 42693434 in words is "forty-two million, six hundred ninety-three thousand, four hundred thirty-four".