42494704 has 20 divisors (see below), whose sum is σ = 94095664. Its totient is φ = 18211968.

The previous prime is 42494701. The next prime is 42494723. The reversal of 42494704 is 40749424.

It is a self number, because there is not a number n which added to its sum of digits gives 42494704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42494701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189597 + ... + 189820.

Almost surely, 2^42494704 is an apocalyptic number.

It is an amenable number.

42494704 is an abundant number, since it is smaller than the sum of its proper divisors (51600960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42494704 is a wasteful number, since it uses less digits than its factorization.

42494704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379432 (or 379426 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 42494704 is about 6518.7962078899. The cubic root of 42494704 is about 348.9621062132.

The spelling of 42494704 in words is "forty-two million, four hundred ninety-four thousand, seven hundred four".