620914715 has 8 divisors (see below), whose sum is σ = 788927040. Its totient is φ = 467512192.

The previous prime is 620914703. The next prime is 620914757. The reversal of 620914715 is 517419026.

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 620914715 - 2¹⁴ = 620898331 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652355 + ... + 3652524.

It is an arithmetic number, because the mean of its divisors is an integer number (98615880).

Almost surely, 2^620914715 is an apocalyptic number.

620914715 is a deficient number, since it is larger than the sum of its proper divisors (168012325).

620914715 is a wasteful number, since it uses less digits than its factorization.

620914715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7304901.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 620914715 is about 24918.1603454188. The cubic root of 620914715 is about 853.1210359363.

The spelling of 620914715 in words is "six hundred twenty million, nine hundred fourteen thousand, seven hundred fifteen".