715873673 has 4 divisors (see below), whose sum is σ = 715927620. Its totient is φ = 715819728.

The previous prime is 715873661. The next prime is 715873679. The reversal of 715873673 is 376378517.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 175218169 + 540655504 = 13237^2 + 23252^2 .

It is a cyclic number.

It is not a de Polignac number, because 715873673 - 2⁴ = 715873657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715873679) 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, 8363 + ... + 38751.

It is an arithmetic number, because the mean of its divisors is an integer number (178981905).

Almost surely, 2^715873673 is an apocalyptic number.

It is an amenable number.

715873673 is a deficient number, since it is larger than the sum of its proper divisors (53947).

715873673 is a wasteful number, since it uses less digits than its factorization.

715873673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53946.

The product of its digits is 740880, while the sum is 47.

The square root of 715873673 is about 26755.8156855664. The cubic root of 715873673 is about 894.5654697042.

The spelling of 715873673 in words is "seven hundred fifteen million, eight hundred seventy-three thousand, six hundred seventy-three".