613143730 has 32 divisors (see below), whose sum is σ = 1150599168. Its totient is φ = 234984000.

The previous prime is 613143689. The next prime is 613143731. The reversal of 613143730 is 37341316.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (613143731) 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, 21519 + ... + 41101.

It is an arithmetic number, because the mean of its divisors is an integer number (35956224).

Almost surely, 2^613143730 is an apocalyptic number.

613143730 is a deficient number, since it is larger than the sum of its proper divisors (537455438).

613143730 is a wasteful number, since it uses less digits than its factorization.

613143730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19722.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 613143730 is about 24761.7392361684. The cubic root of 613143730 is about 849.5470389388.

The spelling of 613143730 in words is "six hundred thirteen million, one hundred forty-three thousand, seven hundred thirty".