42067531672 has 8 divisors (see below), whose sum is σ = 78876621900. Its totient is φ = 21033765832.

The previous prime is 42067531663. The next prime is 42067531717. The reversal of 42067531672 is 27613576024.

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

It is a super-3 number, since 3×42067531672³ (a number of 33 digits) contains 333 as substring.

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, 2629220722 + ... + 2629220737.

Almost surely, 2^42067531672 is an apocalyptic number.

It is an amenable number.

42067531672 is a deficient number, since it is larger than the sum of its proper divisors (36809090228).

42067531672 is a wasteful number, since it uses less digits than its factorization.

42067531672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5258441465 (or 5258441461 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The spelling of 42067531672 in words is "forty-two billion, sixty-seven million, five hundred thirty-one thousand, six hundred seventy-two".