620065448 has 8 divisors (see below), whose sum is σ = 1162622730. Its totient is φ = 310032720.

The previous prime is 620065417. The next prime is 620065471. The reversal of 620065448 is 844560026.

620065448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 529092004 + 90973444 = 23002^2 + 9538^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38754083 + ... + 38754098.

Almost surely, 2^620065448 is an apocalyptic number.

It is an amenable number.

620065448 is a deficient number, since it is larger than the sum of its proper divisors (542557282).

620065448 is a wasteful number, since it uses less digits than its factorization.

620065448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77508187 (or 77508183 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 620065448 is about 24901.1133887624. The cubic root of 620065448 is about 852.7319013767.

The spelling of 620065448 in words is "six hundred twenty million, sixty-five thousand, four hundred forty-eight".