42507964 has 6 divisors (see below), whose sum is σ = 74388944. Its totient is φ = 21253980.

The previous prime is 42507953. The next prime is 42507967. The reversal of 42507964 is 46970524.

42507964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42507967) by changing a digit.

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, 5313492 + ... + 5313499.

Almost surely, 2^42507964 is an apocalyptic number.

It is an amenable number.

42507964 is a deficient number, since it is larger than the sum of its proper divisors (31880980).

42507964 is a wasteful number, since it uses less digits than its factorization.

42507964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626995 (or 10626993 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 42507964 is about 6519.8131875078. The cubic root of 42507964 is about 348.9983990206.

The spelling of 42507964 in words is "forty-two million, five hundred seven thousand, nine hundred sixty-four".