672317455 has 8 divisors (see below), whose sum is σ = 822003552. Its totient is φ = 527705568.

The previous prime is 672317453. The next prime is 672317473. The reversal of 672317455 is 554713276.

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

It is a cyclic number.

It is not a de Polignac number, because 672317455 - 2¹ = 672317453 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 (672317453) 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, 1268259 + ... + 1268788.

It is an arithmetic number, because the mean of its divisors is an integer number (102750444).

Almost surely, 2^672317455 is an apocalyptic number.

672317455 is a deficient number, since it is larger than the sum of its proper divisors (149686097).

672317455 is a wasteful number, since it uses less digits than its factorization.

672317455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537105.

The product of its digits is 176400, while the sum is 40.

The square root of 672317455 is about 25929.0851169107. The cubic root of 672317455 is about 876.0417328762.

The spelling of 672317455 in words is "six hundred seventy-two million, three hundred seventeen thousand, four hundred fifty-five".