687075373 has 4 divisors (see below), whose sum is σ = 687266208. Its totient is φ = 686884540.

The previous prime is 687075353. The next prime is 687075401. The reversal of 687075373 is 373570786.

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 687075373 - 2¹⁷ = 686944301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (687075313) 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, 89911 + ... + 97252.

It is an arithmetic number, because the mean of its divisors is an integer number (171816552).

Almost surely, 2^687075373 is an apocalyptic number.

It is an amenable number.

687075373 is a deficient number, since it is larger than the sum of its proper divisors (190835).

687075373 is a wasteful number, since it uses less digits than its factorization.

687075373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190834.

The product of its (nonzero) digits is 740880, while the sum is 46.

The square root of 687075373 is about 26212.1226343843. The cubic root of 687075373 is about 882.4053395941.

The spelling of 687075373 in words is "six hundred eighty-seven million, seventy-five thousand, three hundred seventy-three".