673061407 has 2 divisors, whose sum is σ = 673061408. Its totient is φ = 673061406.

The previous prime is 673061381. The next prime is 673061419. The reversal of 673061407 is 704160376.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673061407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (673061437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336530703 + 336530704.

It is an arithmetic number, because the mean of its divisors is an integer number (336530704).

Almost surely, 2^673061407 is an apocalyptic number.

673061407 is a deficient number, since it is larger than the sum of its proper divisors (1).

673061407 is an equidigital number, since it uses as much as digits as its factorization.

673061407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 673061407 is about 25943.4270480983. The cubic root of 673061407 is about 876.3647413750.

The spelling of 673061407 in words is "six hundred seventy-three million, sixty-one thousand, four hundred seven".