616772 has 24 divisors (see below), whose sum is σ = 1205400. Its totient is φ = 274176.

The previous prime is 616769. The next prime is 616783. The reversal of 616772 is 277616.

It can be written as a sum of positive squares in 4 ways, for example, as 118336 + 498436 = 344^2 + 706^2 .

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 616772.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 1712.

It is an arithmetic number, because the mean of its divisors is an integer number (50225).

2⁶¹⁶⁷⁷² is an apocalyptic number.

It is an amenable number.

616772 is a deficient number, since it is larger than the sum of its proper divisors (588628).

616772 is a wasteful number, since it uses less digits than its factorization.

616772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 453 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 616772 is about 785.3483303605. The cubic root of 616772 is about 85.1219472226.

The spelling of 616772 in words is "six hundred sixteen thousand, seven hundred seventy-two".