616722 has 32 divisors (see below), whose sum is σ = 1330560. Its totient is φ = 190080.

The previous prime is 616717. The next prime is 616723. The reversal of 616722 is 227616.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 616692 and 616701.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616722.

It is not an unprimeable number, because it can be changed into a prime (616723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5604 + ... + 5712.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2⁶¹⁶⁷²² is an apocalyptic number.

616722 is an abundant number, since it is smaller than the sum of its proper divisors (713838).

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

616722 is a wasteful number, since it uses less digits than its factorization.

616722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178.

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

The square root of 616722 is about 785.3164967069. The cubic root of 616722 is about 85.1196469602.

The spelling of 616722 in words is "six hundred sixteen thousand, seven hundred twenty-two".