42437432 has 8 divisors (see below), whose sum is σ = 79570200. Its totient is φ = 21218712.

The previous prime is 42437413. The next prime is 42437443. The reversal of 42437432 is 23473424.

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

It is a junction number, because it is equal to n+sod(n) for n = 42437395 and 42437404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2652332 + ... + 2652347.

It is an arithmetic number, because the mean of its divisors is an integer number (9946275).

Almost surely, 2^42437432 is an apocalyptic number.

It is an amenable number.

42437432 is a deficient number, since it is larger than the sum of its proper divisors (37132768).

42437432 is a wasteful number, since it uses less digits than its factorization.

42437432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5304685 (or 5304681 counting only the distinct ones).

The product of its digits is 16128, while the sum is 29.

The square root of 42437432 is about 6514.4018911946. The cubic root of 42437432 is about 348.8052651549.

The spelling of 42437432 in words is "forty-two million, four hundred thirty-seven thousand, four hundred thirty-two".