616740 has 48 divisors (see below), whose sum is σ = 1821120. Its totient is φ = 155520.

The previous prime is 616729. The next prime is 616741. The reversal of 616740 is 47616.

It is a self number, because there is not a number n which added to its sum of digits gives 616740.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616740.

It is not an unprimeable number, because it can be changed into a prime (616741) by changing a digit.

616740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870 + ... + 1410.

It is an arithmetic number, because the mean of its divisors is an integer number (37940).

2⁶¹⁶⁷⁴⁰ is an apocalyptic number.

616740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910560).

616740 is an abundant number, since it is smaller than the sum of its proper divisors (1204380).

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

616740 is a wasteful number, since it uses less digits than its factorization.

616740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572 (or 570 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 616740 is about 785.3279569708. The cubic root of 616740 is about 85.1204750690.

The spelling of 616740 in words is "six hundred sixteen thousand, seven hundred forty".