42671436 has 12 divisors (see below), whose sum is σ = 99566712. Its totient is φ = 14223808.

The previous prime is 42671393. The next prime is 42671443. The reversal of 42671436 is 63417624.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 42671397 and 42671406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777965 + ... + 1777988.

It is an arithmetic number, because the mean of its divisors is an integer number (8297226).

Almost surely, 2^42671436 is an apocalyptic number.

It is an amenable number.

42671436 is an abundant number, since it is smaller than the sum of its proper divisors (56895276).

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

42671436 is a wasteful number, since it uses less digits than its factorization.

42671436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555960 (or 3555958 counting only the distinct ones).

The product of its digits is 24192, while the sum is 33.

The square root of 42671436 is about 6532.3377132540. The cubic root of 42671436 is about 349.4452053983.

The spelling of 42671436 in words is "forty-two million, six hundred seventy-one thousand, four hundred thirty-six".