620810147 has 8 divisors (see below), whose sum is σ = 634561344. Its totient is φ = 607134528.

The previous prime is 620810137. The next prime is 620810153. The reversal of 620810147 is 741018026.

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 620810147 - 2¹⁴ = 620793763 is a prime.

It is a super-3 number, since 3×620810147³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620810137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2123 + ... + 35300.

It is an arithmetic number, because the mean of its divisors is an integer number (79320168).

Almost surely, 2^620810147 is an apocalyptic number.

620810147 is a deficient number, since it is larger than the sum of its proper divisors (13751197).

620810147 is a wasteful number, since it uses less digits than its factorization.

620810147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37789.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 620810147 is about 24916.0620283383. The cubic root of 620810147 is about 853.0731419895.

The spelling of 620810147 in words is "six hundred twenty million, eight hundred ten thousand, one hundred forty-seven".