673624785 has 8 divisors (see below), whose sum is σ = 1077799680. Its totient is φ = 359266544.

The previous prime is 673624781. The next prime is 673624807. The reversal of 673624785 is 587426376.

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 673624785 - 2² = 673624781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673624781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22454145 + ... + 22454174.

It is an arithmetic number, because the mean of its divisors is an integer number (134724960).

Almost surely, 2^673624785 is an apocalyptic number.

It is an amenable number.

673624785 is a deficient number, since it is larger than the sum of its proper divisors (404174895).

673624785 is a wasteful number, since it uses less digits than its factorization.

673624785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44908327.

The product of its digits is 1693440, while the sum is 48.

The square root of 673624785 is about 25954.2825945931. The cubic root of 673624785 is about 876.6091900582.

The spelling of 673624785 in words is "six hundred seventy-three million, six hundred twenty-four thousand, seven hundred eighty-five".