787673 has 4 divisors (see below), whose sum is σ = 804480. Its totient is φ = 770868.

The previous prime is 787667. The next prime is 787697. The reversal of 787673 is 376787.

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 787673 - 2⁶ = 787609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787573) 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, 8333 + ... + 8426.

It is an arithmetic number, because the mean of its divisors is an integer number (201120).

2⁷⁸⁷⁶⁷³ is an apocalyptic number.

It is an amenable number.

787673 is a deficient number, since it is larger than the sum of its proper divisors (16807).

787673 is a wasteful number, since it uses less digits than its factorization.

787673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16806.

The product of its digits is 49392, while the sum is 38.

The square root of 787673 is about 887.5094365695. The cubic root of 787673 is about 92.3524992760.

The spelling of 787673 in words is "seven hundred eighty-seven thousand, six hundred seventy-three".