42037768 has 8 divisors (see below), whose sum is σ = 78820830. Its totient is φ = 21018880.

The previous prime is 42037739. The next prime is 42037771. The reversal of 42037768 is 86773024.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 11985444 = 5482^2 + 3462^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2627353 + ... + 2627368.

Almost surely, 2^42037768 is an apocalyptic number.

It is an amenable number.

42037768 is a deficient number, since it is larger than the sum of its proper divisors (36783062).

42037768 is a wasteful number, since it uses less digits than its factorization.

42037768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254727 (or 5254723 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 42037768 is about 6483.6539080984. The cubic root of 42037768 is about 347.7068257922.

The spelling of 42037768 in words is "forty-two million, thirty-seven thousand, seven hundred sixty-eight".