42537750 has 64 divisors (see below), whose sum is σ = 108725760. Its totient is φ = 11071200.

The previous prime is 42537731. The next prime is 42537763. The reversal of 42537750 is 5773524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31591 + ... + 32909.

It is an arithmetic number, because the mean of its divisors is an integer number (1698840).

Almost surely, 2^42537750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42537750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54362880).

42537750 is an abundant number, since it is smaller than the sum of its proper divisors (66188010).

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

42537750 is a wasteful number, since it uses less digits than its factorization.

42537750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 42537750 is about 6522.0970553956. The cubic root of 42537750 is about 349.0798962134.

The spelling of 42537750 in words is "forty-two million, five hundred thirty-seven thousand, seven hundred fifty".