602640307 has 4 divisors (see below), whose sum is σ = 604032520. Its totient is φ = 601248096.

The previous prime is 602640301. The next prime is 602640317. The reversal of 602640307 is 703046206.

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

It is a cyclic number.

It is not a de Polignac number, because 602640307 - 2³ = 602640299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (602640301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695457 + ... + 696322.

It is an arithmetic number, because the mean of its divisors is an integer number (151008130).

Almost surely, 2^602640307 is an apocalyptic number.

602640307 is a deficient number, since it is larger than the sum of its proper divisors (1392213).

602640307 is a wasteful number, since it uses less digits than its factorization.

602640307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392212.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 602640307 is about 24548.7333074438. The cubic root of 602640307 is about 844.6680334139.

The spelling of 602640307 in words is "six hundred two million, six hundred forty thousand, three hundred seven".