673760215 has 4 divisors (see below), whose sum is σ = 808512264. Its totient is φ = 539008168.

The previous prime is 673760207. The next prime is 673760261. The reversal of 673760215 is 512067376.

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 673760215 - 2³ = 673760207 is a prime.

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, 67376017 + ... + 67376026.

It is an arithmetic number, because the mean of its divisors is an integer number (202128066).

Almost surely, 2^673760215 is an apocalyptic number.

673760215 is a deficient number, since it is larger than the sum of its proper divisors (134752049).

673760215 is a wasteful number, since it uses less digits than its factorization.

673760215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134752048.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 673760215 is about 25956.8914741346. The cubic root of 673760215 is about 876.6679325659.

The spelling of 673760215 in words is "six hundred seventy-three million, seven hundred sixty thousand, two hundred fifteen".