616764942 has 40 divisors (see below), whose sum is σ = 1390548456. Its totient is φ = 204318288.

The previous prime is 616764917. The next prime is 616764977. The reversal of 616764942 is 249467616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14728 + ... + 38084.

Almost surely, 2^616764942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616764942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695274228).

616764942 is an abundant number, since it is smaller than the sum of its proper divisors (773783514).

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

616764942 is a wasteful number, since it uses less digits than its factorization.

616764942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23534 (or 23525 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 616764942 is about 24834.7527066407. The cubic root of 616764942 is about 851.2162252508.

The spelling of 616764942 in words is "six hundred sixteen million, seven hundred sixty-four thousand, nine hundred forty-two".