42694934 has 4 divisors (see below), whose sum is σ = 64042404. Its totient is φ = 21347466.

The previous prime is 42694913. The next prime is 42694943. The reversal of 42694934 is 43949624.

42694934 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 42694891 and 42694900.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10673732 + ... + 10673735.

It is an arithmetic number, because the mean of its divisors is an integer number (16010601).

Almost surely, 2^42694934 is an apocalyptic number.

42694934 is a deficient number, since it is larger than the sum of its proper divisors (21347470).

42694934 is a wasteful number, since it uses less digits than its factorization.

42694934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21347469.

The product of its digits is 186624, while the sum is 41.

The square root of 42694934 is about 6534.1360561286. The cubic root of 42694934 is about 349.5093369534.

The spelling of 42694934 in words is "forty-two million, six hundred ninety-four thousand, nine hundred thirty-four".