42537788 has 6 divisors (see below), whose sum is σ = 74441136. Its totient is φ = 21268892.

The previous prime is 42537769. The next prime is 42537799. The reversal of 42537788 is 88773524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 5317220 + ... + 5317227.

It is an arithmetic number, because the mean of its divisors is an integer number (12406856).

Almost surely, 2^42537788 is an apocalyptic number.

It is an amenable number.

42537788 is a deficient number, since it is larger than the sum of its proper divisors (31903348).

42537788 is a wasteful number, since it uses less digits than its factorization.

42537788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10634451 (or 10634449 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 42537788 is about 6522.0999685684. The cubic root of 42537788 is about 349.0800001605.

The spelling of 42537788 in words is "forty-two million, five hundred thirty-seven thousand, seven hundred eighty-eight".