620773045 has 8 divisors (see below), whose sum is σ = 746200224. Its totient is φ = 495770064.

The previous prime is 620773033. The next prime is 620773057. The reversal of 620773045 is 540377026.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (620773033) and next prime (620773057).

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 620773045 - 2⁷ = 620772917 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 620773045.

It is a congruent number.

It is an unprimeable number.

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, 102819 + ... + 108688.

It is an arithmetic number, because the mean of its divisors is an integer number (93275028).

Almost surely, 2^620773045 is an apocalyptic number.

It is an amenable number.

620773045 is a deficient number, since it is larger than the sum of its proper divisors (125427179).

620773045 is a wasteful number, since it uses less digits than its factorization.

620773045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212099.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 620773045 is about 24915.3174774073. The cubic root of 620773045 is about 853.0561473413.

The spelling of 620773045 in words is "six hundred twenty million, seven hundred seventy-three thousand, forty-five".