42037443 has 72 divisors (see below), whose sum is σ = 77360400. Its totient is φ = 21845376.

The previous prime is 42037409. The next prime is 42037451. The reversal of 42037443 is 34473024.

It is not a de Polignac number, because 42037443 - 2¹⁸ = 41775299 is a prime.

It is a super-2 number, since 2×42037443² = 3534293227956498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42037403) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 242905 + ... + 243077.

It is an arithmetic number, because the mean of its divisors is an integer number (1074450).

Almost surely, 2^42037443 is an apocalyptic number.

42037443 is a deficient number, since it is larger than the sum of its proper divisors (35322957).

42037443 is a wasteful number, since it uses less digits than its factorization.

42037443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 42037443 is about 6483.6288450219. The cubic root of 42037443 is about 347.7059297329.

The spelling of 42037443 in words is "forty-two million, thirty-seven thousand, four hundred forty-three".