620848705 has 8 divisors (see below), whose sum is σ = 746249472. Its totient is φ = 495858288.

The previous prime is 620848703. The next prime is 620848727. The reversal of 620848705 is 507848026.

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 620848705 - 2¹ = 620848703 is a prime.

It is a super-2 number, since 2×620848705² = 770906229000354050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (620848703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99247 + ... + 105316.

It is an arithmetic number, because the mean of its divisors is an integer number (93281184).

Almost surely, 2^620848705 is an apocalyptic number.

It is an amenable number.

620848705 is a deficient number, since it is larger than the sum of its proper divisors (125400767).

620848705 is a wasteful number, since it uses less digits than its factorization.

620848705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205175.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 620848705 is about 24916.8357742310. The cubic root of 620848705 is about 853.0908028442.

The spelling of 620848705 in words is "six hundred twenty million, eight hundred forty-eight thousand, seven hundred five".