842142672 has 60 divisors (see below), whose sum is σ = 2693523040. Its totient is φ = 240611904.

The previous prime is 842142671. The next prime is 842142689. The reversal of 842142672 is 276241248.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842142671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 416722 + ... + 418737.

Almost surely, 2^842142672 is an apocalyptic number.

It is an amenable number.

842142672 is an abundant number, since it is smaller than the sum of its proper divisors (1851380368).

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

842142672 is a wasteful number, since it uses less digits than its factorization.

842142672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835480 (or 835471 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 842142672 is about 29019.6945538715. The cubic root of 842142672 is about 944.3403744807.

The spelling of 842142672 in words is "eight hundred forty-two million, one hundred forty-two thousand, six hundred seventy-two".