542373672 has 64 divisors (see below), whose sum is σ = 1421297280. Its totient is φ = 172147712.

The previous prime is 542373659. The next prime is 542373679. The reversal of 542373672 is 276373245.

It is a self number, because there is not a number n which added to its sum of digits gives 542373672.

It is not an unprimeable number, because it can be changed into a prime (542373679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126508 + ... + 130724.

It is an arithmetic number, because the mean of its divisors is an integer number (22207770).

Almost surely, 2^542373672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 542373672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710648640).

542373672 is an abundant number, since it is smaller than the sum of its proper divisors (878923608).

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

542373672 is a wasteful number, since it uses less digits than its factorization.

542373672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482 (or 4478 counting only the distinct ones).

The product of its digits is 211680, while the sum is 39.

The square root of 542373672 is about 23288.9173642744. The cubic root of 542373672 is about 815.5167144979.

The spelling of 542373672 in words is "five hundred forty-two million, three hundred seventy-three thousand, six hundred seventy-two".