620675072 has 60 divisors (see below), whose sum is σ = 1271621736. Its totient is φ = 302776320.

The previous prime is 620675063. The next prime is 620675093. The reversal of 620675072 is 270576026.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 704072 + ... + 704952.

Almost surely, 2^620675072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 620675072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635810868).

620675072 is an abundant number, since it is smaller than the sum of its proper divisors (650946664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620675072 is an frugal number, since it uses more digits than its factorization.

620675072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 620675072 is about 24913.3512799864. The cubic root of 620675072 is about 853.0112673497.

The spelling of 620675072 in words is "six hundred twenty million, six hundred seventy-five thousand, seventy-two".