672821882734 has 16 divisors (see below), whose sum is σ = 1010463359328. Its totient is φ = 336000910752.

The previous prime is 672821882723. The next prime is 672821882749. The reversal of 672821882734 is 437288128276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9870232 + ... + 9938164.

It is an arithmetic number, because the mean of its divisors is an integer number (63153959958).

Almost surely, 2^672821882734 is an apocalyptic number.

672821882734 is a deficient number, since it is larger than the sum of its proper divisors (337641476594).

672821882734 is a wasteful number, since it uses less digits than its factorization.

672821882734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73899.

The product of its digits is 14450688, while the sum is 58.

The spelling of 672821882734 in words is "six hundred seventy-two billion, eight hundred twenty-one million, eight hundred eighty-two thousand, seven hundred thirty-four".