42503974 has 4 divisors (see below), whose sum is σ = 63755964. Its totient is φ = 21251986.

The previous prime is 42503971. The next prime is 42504001. The reversal of 42503974 is 47930524.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42503971) 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 as a sum of consecutive naturals, namely, 10625992 + ... + 10625995.

It is an arithmetic number, because the mean of its divisors is an integer number (15938991).

Almost surely, 2^42503974 is an apocalyptic number.

42503974 is a deficient number, since it is larger than the sum of its proper divisors (21251990).

42503974 is a wasteful number, since it uses less digits than its factorization.

42503974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251989.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 42503974 is about 6519.5071899646. The cubic root of 42503974 is about 348.9874791281.

The spelling of 42503974 in words is "forty-two million, five hundred three thousand, nine hundred seventy-four".