620280741 has 8 divisors (see below), whose sum is σ = 834628960. Its totient is φ = 409726512.

The previous prime is 620280737. The next prime is 620280743. The reversal of 620280741 is 147082026.

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

It is not a de Polignac number, because 620280741 - 2² = 620280737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 620280699 and 620280708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620280743) 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, 948115 + ... + 948768.

It is an arithmetic number, because the mean of its divisors is an integer number (104328620).

Almost surely, 2^620280741 is an apocalyptic number.

It is an amenable number.

620280741 is a deficient number, since it is larger than the sum of its proper divisors (214348219).

620280741 is a wasteful number, since it uses less digits than its factorization.

620280741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1896995.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 620280741 is about 24905.4359728956. The cubic root of 620280741 is about 852.8305823391.

The spelling of 620280741 in words is "six hundred twenty million, two hundred eighty thousand, seven hundred forty-one".