673577653 has 4 divisors (see below), whose sum is σ = 769803040. Its totient is φ = 577352268.

The previous prime is 673577617. The next prime is 673577659. The reversal of 673577653 is 356775376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 673577653 - 2²⁵ = 640023221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673577597 and 673577606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673577659) 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, 48112683 + ... + 48112696.

It is an arithmetic number, because the mean of its divisors is an integer number (192450760).

Almost surely, 2^673577653 is an apocalyptic number.

It is an amenable number.

673577653 is a deficient number, since it is larger than the sum of its proper divisors (96225387).

673577653 is an equidigital number, since it uses as much as digits as its factorization.

673577653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96225386.

The product of its digits is 2778300, while the sum is 49.

The square root of 673577653 is about 25953.3745975355. The cubic root of 673577653 is about 876.5887447950.

The spelling of 673577653 in words is "six hundred seventy-three million, five hundred seventy-seven thousand, six hundred fifty-three".