672548687 has 4 divisors (see below), whose sum is σ = 673145520. Its totient is φ = 671951856.

The previous prime is 672548683. The next prime is 672548699. The reversal of 672548687 is 786845276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672548687 - 2² = 672548683 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 (672548683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296723 + ... + 298980.

It is an arithmetic number, because the mean of its divisors is an integer number (168286380).

Almost surely, 2^672548687 is an apocalyptic number.

672548687 is a deficient number, since it is larger than the sum of its proper divisors (596833).

672548687 is a wasteful number, since it uses less digits than its factorization.

672548687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596832.

The product of its digits is 4515840, while the sum is 53.

The square root of 672548687 is about 25933.5436645284. The cubic root of 672548687 is about 876.1421545156.

The spelling of 672548687 in words is "six hundred seventy-two million, five hundred forty-eight thousand, six hundred eighty-seven".