42493694 has 8 divisors (see below), whose sum is σ = 63798840. Its totient is φ = 21227416.

The previous prime is 42493691. The next prime is 42493733. The reversal of 42493694 is 49639424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42493691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6809 + ... + 11460.

It is an arithmetic number, because the mean of its divisors is an integer number (7974855).

Almost surely, 2^42493694 is an apocalyptic number.

42493694 is a deficient number, since it is larger than the sum of its proper divisors (21305146).

42493694 is a wasteful number, since it uses less digits than its factorization.

42493694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19434.

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

The square root of 42493694 is about 6518.7187391389. The cubic root of 42493694 is about 348.9593415195.

The spelling of 42493694 in words is "forty-two million, four hundred ninety-three thousand, six hundred ninety-four".