42757504 has 16 divisors (see below), whose sum is σ = 85181220. Its totient is φ = 21378688.

The previous prime is 42757489. The next prime is 42757531. The reversal of 42757504 is 40575724.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 42757504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166894 + ... + 167149.

Almost surely, 2^42757504 is an apocalyptic number.

It is an amenable number.

42757504 is a deficient number, since it is larger than the sum of its proper divisors (42423716).

42757504 is an equidigital number, since it uses as much as digits as its factorization.

42757504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334057 (or 334045 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 34.

The square root of 42757504 is about 6538.9222353535. The cubic root of 42757504 is about 349.6799904936.

The spelling of 42757504 in words is "forty-two million, seven hundred fifty-seven thousand, five hundred four".