42312632 has 8 divisors (see below), whose sum is σ = 79336200. Its totient is φ = 21156312.

The previous prime is 42312629. The next prime is 42312649. The reversal of 42312632 is 23621324.

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 = 42312598 and 42312607.

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, 2644532 + ... + 2644547.

It is an arithmetic number, because the mean of its divisors is an integer number (9917025).

Almost surely, 2^42312632 is an apocalyptic number.

It is an amenable number.

42312632 is a deficient number, since it is larger than the sum of its proper divisors (37023568).

42312632 is a wasteful number, since it uses less digits than its factorization.

42312632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289085 (or 5289081 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 42312632 is about 6504.8160619652. The cubic root of 42312632 is about 348.4630072568.

Adding to 42312632 its reverse (23621324), we get a palindrome (65933956).

The spelling of 42312632 in words is "forty-two million, three hundred twelve thousand, six hundred thirty-two".