620745350 has 12 divisors (see below), whose sum is σ = 1154586444. Its totient is φ = 248298120.

The previous prime is 620745341. The next prime is 620745401. The reversal of 620745350 is 53547026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6207404 + ... + 6207503.

It is an arithmetic number, because the mean of its divisors is an integer number (96215537).

Almost surely, 2^620745350 is an apocalyptic number.

620745350 is a deficient number, since it is larger than the sum of its proper divisors (533841094).

620745350 is a wasteful number, since it uses less digits than its factorization.

620745350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12414919 (or 12414914 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 620745350 is about 24914.7616886054. The cubic root of 620745350 is about 853.0434611475.

The spelling of 620745350 in words is "six hundred twenty million, seven hundred forty-five thousand, three hundred fifty".