673491701 has 4 divisors (see below), whose sum is σ = 673638732. Its totient is φ = 673344672.

The previous prime is 673491697. The next prime is 673491719. The reversal of 673491701 is 107194376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 304467601 + 369024100 = 17449^2 + 19210^2 .

It is a cyclic number.

It is not a de Polignac number, because 673491701 - 2² = 673491697 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 (673491761) 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, 66416 + ... + 75881.

It is an arithmetic number, because the mean of its divisors is an integer number (168409683).

Almost surely, 2^673491701 is an apocalyptic number.

It is an amenable number.

673491701 is a deficient number, since it is larger than the sum of its proper divisors (147031).

673491701 is a wasteful number, since it uses less digits than its factorization.

673491701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147030.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 673491701 is about 25951.7186521433. The cubic root of 673491701 is about 876.5514574531.

The spelling of 673491701 in words is "six hundred seventy-three million, four hundred ninety-one thousand, seven hundred one".