672334572784 has 40 divisors (see below), whose sum is σ = 1489612381920. Its totient is φ = 287974702848.

The previous prime is 672334572769. The next prime is 672334572787. The reversal of 672334572784 is 487275433276.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672334572787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564879 + ... + 1947694.

It is an arithmetic number, because the mean of its divisors is an integer number (37240309548).

Almost surely, 2^672334572784 is an apocalyptic number.

It is an amenable number.

672334572784 is an abundant number, since it is smaller than the sum of its proper divisors (817277809136).

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

672334572784 is a wasteful number, since it uses less digits than its factorization.

672334572784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3514297 (or 3514291 counting only the distinct ones).

The product of its digits is 47416320, while the sum is 58.

The spelling of 672334572784 in words is "six hundred seventy-two billion, three hundred thirty-four million, five hundred seventy-two thousand, seven hundred eighty-four".