672733734 has 32 divisors (see below), whose sum is σ = 1380965760. Its totient is φ = 218404032.

The previous prime is 672733727. The next prime is 672733769. The reversal of 672733734 is 437337276.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26377 + ... + 45179.

It is an arithmetic number, because the mean of its divisors is an integer number (43155180).

Almost surely, 2^672733734 is an apocalyptic number.

672733734 is an abundant number, since it is smaller than the sum of its proper divisors (708232026).

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

672733734 is a wasteful number, since it uses less digits than its factorization.

672733734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18964.

The product of its digits is 444528, while the sum is 42.

The square root of 672733734 is about 25937.1111344344. Note that the first 4 decimals coincide. The cubic root of 672733734 is about 876.2225019132. Note that the first 3 decimals are identical.

The spelling of 672733734 in words is "six hundred seventy-two million, seven hundred thirty-three thousand, seven hundred thirty-four".