620605741 has 8 divisors (see below), whose sum is σ = 713183744. Its totient is φ = 529007760.

The previous prime is 620605729. The next prime is 620605789. The reversal of 620605741 is 147506026.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620605741 - 2⁷ = 620605613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (600605741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 243645 + ... + 246178.

It is an arithmetic number, because the mean of its divisors is an integer number (89147968).

Almost surely, 2^620605741 is an apocalyptic number.

It is an amenable number.

620605741 is a deficient number, since it is larger than the sum of its proper divisors (92578003).

620605741 is a wasteful number, since it uses less digits than its factorization.

620605741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490011.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 620605741 is about 24911.9597984582. The cubic root of 620605741 is about 852.9795049837.

The spelling of 620605741 in words is "six hundred twenty million, six hundred five thousand, seven hundred forty-one".