613621376 has 32 divisors (see below), whose sum is σ = 1240711680. Its totient is φ = 302227200.

The previous prime is 613621373. The next prime is 613621381. The reversal of 613621376 is 673126316.

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (613621373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27200 + ... + 44351.

It is an arithmetic number, because the mean of its divisors is an integer number (38772240).

Almost surely, 2^613621376 is an apocalyptic number.

It is an amenable number.

613621376 is an abundant number, since it is smaller than the sum of its proper divisors (627090304).

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

613621376 is an equidigital number, since it uses as much as digits as its factorization.

613621376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71632 (or 71620 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 613621376 is about 24771.3821980123. The cubic root of 613621376 is about 849.7675839763.

The spelling of 613621376 in words is "six hundred thirteen million, six hundred twenty-one thousand, three hundred seventy-six".