613238274 has 48 divisors (see below), whose sum is σ = 1458441504. Its totient is φ = 184680000.

The previous prime is 613238267. The next prime is 613238287. The reversal of 613238274 is 472832316.

It is a happy number.

613238274 is a `hidden beast` number, since 61 + 323 + 8 + 274 = 666.

It is a super-2 number, since 2×613238274² = 752122361396998152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22774 + ... + 41774.

It is an arithmetic number, because the mean of its divisors is an integer number (30384198).

Almost surely, 2^613238274 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613238274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729220752).

613238274 is an abundant number, since it is smaller than the sum of its proper divisors (845203230).

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

613238274 is a wasteful number, since it uses less digits than its factorization.

613238274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19183 (or 19180 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 613238274 is about 24763.6482368814. The cubic root of 613238274 is about 849.5907021363.

The spelling of 613238274 in words is "six hundred thirteen million, two hundred thirty-eight thousand, two hundred seventy-four".