673707507 has 16 divisors (see below), whose sum is σ = 1006424832. Its totient is φ = 397271520.

The previous prime is 673707493. The next prime is 673707511. The reversal of 673707507 is 705707376.

It is not a de Polignac number, because 673707507 - 2⁶ = 673707443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673707557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274663 + ... + 277104.

It is an arithmetic number, because the mean of its divisors is an integer number (62901552).

Almost surely, 2^673707507 is an apocalyptic number.

673707507 is a deficient number, since it is larger than the sum of its proper divisors (332717325).

673707507 is a wasteful number, since it uses less digits than its factorization.

673707507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551818.

The product of its (nonzero) digits is 216090, while the sum is 42.

The square root of 673707507 is about 25955.8761555067. The cubic root of 673707507 is about 876.6450715058.

The spelling of 673707507 in words is "six hundred seventy-three million, seven hundred seven thousand, five hundred seven".