673406707 has 16 divisors (see below), whose sum is σ = 709954560. Its totient is φ = 637884000.

The previous prime is 673406681. The next prime is 673406729. The reversal of 673406707 is 707604376.

It is a cyclic number.

It is not a de Polignac number, because 673406707 - 2¹¹ = 673404659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 673406707.

It is not an unprimeable number, because it can be changed into a prime (673406207) 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, 516957 + ... + 518257.

It is an arithmetic number, because the mean of its divisors is an integer number (44372160).

Almost surely, 2^673406707 is an apocalyptic number.

673406707 is a deficient number, since it is larger than the sum of its proper divisors (36547853).

673406707 is a wasteful number, since it uses less digits than its factorization.

673406707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 673406707 is about 25950.0810596036. The cubic root of 673406707 is about 876.5145825870.

It can be divided in two parts, 67340 and 6707, that added together give a palindrome (74047).

The spelling of 673406707 in words is "six hundred seventy-three million, four hundred six thousand, seven hundred seven".