42537404 has 48 divisors (see below), whose sum is σ = 92395968. Its totient is φ = 16685568.

The previous prime is 42537379. The next prime is 42537421. The reversal of 42537404 is 40473524.

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 in 15 ways as a sum of consecutive naturals, for example, 49442 + ... + 50294.

It is an arithmetic number, because the mean of its divisors is an integer number (1924916).

Almost surely, 2^42537404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42537404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46197984).

42537404 is an abundant number, since it is smaller than the sum of its proper divisors (49858564).

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

42537404 is a wasteful number, since it uses less digits than its factorization.

42537404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 42537404 is about 6522.0705301307. The cubic root of 42537404 is about 349.0789497445.

The spelling of 42537404 in words is "forty-two million, five hundred thirty-seven thousand, four hundred four".