672097071 has 8 divisors (see below), whose sum is σ = 896300080. Its totient is φ = 447979392.

The previous prime is 672097043. The next prime is 672097079. The reversal of 672097071 is 170790276.

672097071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-672097071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672097079) 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, 135 + ... + 36663.

It is an arithmetic number, because the mean of its divisors is an integer number (112037510).

Almost surely, 2^672097071 is an apocalyptic number.

672097071 is a deficient number, since it is larger than the sum of its proper divisors (224203009).

672097071 is a wasteful number, since it uses less digits than its factorization.

672097071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42665.

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 672097071 is about 25924.8350235831. The cubic root of 672097071 is about 875.9460009770.

The spelling of 672097071 in words is "six hundred seventy-two million, ninety-seven thousand, seventy-one".