42637960 has 16 divisors (see below), whose sum is σ = 95935500. Its totient is φ = 17055168.

The previous prime is 42637937. The next prime is 42637997. The reversal of 42637960 is 6973624.

It can be written as a sum of positive squares in 2 ways, for example, as 42588676 + 49284 = 6526^2 + 222^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532935 + ... + 533014.

Almost surely, 2^42637960 is an apocalyptic number.

42637960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42637960 is an abundant number, since it is smaller than the sum of its proper divisors (53297540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42637960 is a wasteful number, since it uses less digits than its factorization.

42637960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065960 (or 1065956 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 42637960 is about 6529.7748812651. The cubic root of 42637960 is about 349.3538008649.

The spelling of 42637960 in words is "forty-two million, six hundred thirty-seven thousand, nine hundred sixty".