620847792 has 60 divisors (see below), whose sum is σ = 1746685824. Its totient is φ = 205856640.

The previous prime is 620847761. The next prime is 620847797. The reversal of 620847792 is 297748026.

It is not an unprimeable number, because it can be changed into a prime (620847797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16218 + ... + 38790.

Almost surely, 2^620847792 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 620847792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873342912).

620847792 is an abundant number, since it is smaller than the sum of its proper divisors (1125838032).

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

620847792 is a wasteful number, since it uses less digits than its factorization.

620847792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22778 (or 22769 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 620847792 is about 24916.8174532784. The cubic root of 620847792 is about 853.0903846680.

The spelling of 620847792 in words is "six hundred twenty million, eight hundred forty-seven thousand, seven hundred ninety-two".