616747340 has 48 divisors (see below), whose sum is σ = 1427527584. Its totient is φ = 221952000.

The previous prime is 616747331. The next prime is 616747357. The reversal of 616747340 is 43747616.

It is a junction number, because it is equal to n+sod(n) for n = 616747294 and 616747303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6890 + ... + 35790.

It is an arithmetic number, because the mean of its divisors is an integer number (29740158).

Almost surely, 2^616747340 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 616747340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (713763792).

616747340 is an abundant number, since it is smaller than the sum of its proper divisors (810780244).

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

616747340 is a wasteful number, since it uses less digits than its factorization.

616747340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29018 (or 29016 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 616747340 is about 24834.3983216828. The cubic root of 616747340 is about 851.2081274870.

The spelling of 616747340 in words is "six hundred sixteen million, seven hundred forty-seven thousand, three hundred forty".