616370720 has 96 divisors (see below), whose sum is σ = 1677303936. Its totient is φ = 209664000.

The previous prime is 616370707. The next prime is 616370743. The reversal of 616370720 is 27073616.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 15 ways as a sum of consecutive naturals, for example, 144620 + ... + 148820.

It is an arithmetic number, because the mean of its divisors is an integer number (17471916).

Almost surely, 2^616370720 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 616370720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (838651968).

616370720 is an abundant number, since it is smaller than the sum of its proper divisors (1060933216).

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

616370720 is a wasteful number, since it uses less digits than its factorization.

616370720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354 (or 4346 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 616370720 is about 24826.8145359005. The cubic root of 616370720 is about 851.0348273032.

The spelling of 616370720 in words is "six hundred sixteen million, three hundred seventy thousand, seven hundred twenty".