42375664 has 10 divisors (see below), whose sum is σ = 82102880. Its totient is φ = 21187824.

The previous prime is 42375653. The next prime is 42375689. The reversal of 42375664 is 46657324.

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, 1324224 + ... + 1324255.

It is an arithmetic number, because the mean of its divisors is an integer number (8210288).

Almost surely, 2^42375664 is an apocalyptic number.

It is an amenable number.

42375664 is a deficient number, since it is larger than the sum of its proper divisors (39727216).

42375664 is a wasteful number, since it uses less digits than its factorization.

42375664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648487 (or 2648481 counting only the distinct ones).

The product of its digits is 120960, while the sum is 37.

The square root of 42375664 is about 6509.6592844787. The cubic root of 42375664 is about 348.6359534252.

The spelling of 42375664 in words is "forty-two million, three hundred seventy-five thousand, six hundred sixty-four".