616289772 has 48 divisors (see below), whose sum is σ = 1649564672. Its totient is φ = 175426560.

The previous prime is 616289753. The next prime is 616289783. The reversal of 616289772 is 277982616.

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, 9228 + ... + 36300.

Almost surely, 2^616289772 is an apocalyptic number.

It is an amenable number.

616289772 is an abundant number, since it is smaller than the sum of its proper divisors (1033274900).

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

616289772 is a wasteful number, since it uses less digits than its factorization.

616289772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27358 (or 27356 counting only the distinct ones).

The product of its digits is 508032, while the sum is 48.

The square root of 616289772 is about 24825.1842289237. The cubic root of 616289772 is about 850.9975701888.

The spelling of 616289772 in words is "six hundred sixteen million, two hundred eighty-nine thousand, seven hundred seventy-two".