673404715 has 4 divisors (see below), whose sum is σ = 808085664. Its totient is φ = 538723768.

The previous prime is 673404713. The next prime is 673404751. The reversal of 673404715 is 517404376.

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 673404715 - 2¹ = 673404713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673404713) 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, 67340467 + ... + 67340476.

It is an arithmetic number, because the mean of its divisors is an integer number (202021416).

Almost surely, 2^673404715 is an apocalyptic number.

673404715 is a deficient number, since it is larger than the sum of its proper divisors (134680949).

673404715 is a wasteful number, since it uses less digits than its factorization.

673404715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134680948.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 673404715 is about 25950.0426781923. The cubic root of 673404715 is about 876.5137183155.

The spelling of 673404715 in words is "six hundred seventy-three million, four hundred four thousand, seven hundred fifteen".