672248735 has 4 divisors (see below), whose sum is σ = 806698488. Its totient is φ = 537798984.

The previous prime is 672248711. The next prime is 672248749. The reversal of 672248735 is 537842276.

672248735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-672248735 is a prime.

It is a super-3 number, since 3×672248735³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67224869 + ... + 67224878.

It is an arithmetic number, because the mean of its divisors is an integer number (201674622).

Almost surely, 2^672248735 is an apocalyptic number.

672248735 is a deficient number, since it is larger than the sum of its proper divisors (134449753).

672248735 is a wasteful number, since it uses less digits than its factorization.

672248735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134449752.

The product of its digits is 564480, while the sum is 44.

The square root of 672248735 is about 25927.7599302369. The cubic root of 672248735 is about 876.0118840607.

The spelling of 672248735 in words is "six hundred seventy-two million, two hundred forty-eight thousand, seven hundred thirty-five".