620658473 has 8 divisors (see below), whose sum is σ = 648840768. Its totient is φ = 592575984.

The previous prime is 620658449. The next prime is 620658487. The reversal of 620658473 is 374856026.

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 620658473 - 2⁸ = 620658217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620658473.

It is not an unprimeable number, because it can be changed into a prime (620658373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12086 + ... + 37247.

It is an arithmetic number, because the mean of its divisors is an integer number (81105096).

Almost surely, 2^620658473 is an apocalyptic number.

It is an amenable number.

620658473 is a deficient number, since it is larger than the sum of its proper divisors (28182295).

620658473 is a wasteful number, since it uses less digits than its factorization.

620658473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49903.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 620658473 is about 24913.0181431315. The cubic root of 620658473 is about 853.0036631239.

The spelling of 620658473 in words is "six hundred twenty million, six hundred fifty-eight thousand, four hundred seventy-three".