613068648 has 32 divisors (see below), whose sum is σ = 1582114560. Its totient is φ = 197763840.

The previous prime is 613068629. The next prime is 613068683. The reversal of 613068648 is 846860316.

It is a happy number.

It is a super-3 number, since 3×613068648³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411265 + ... + 412752.

It is an arithmetic number, because the mean of its divisors is an integer number (49441080).

Almost surely, 2^613068648 is an apocalyptic number.

It is an amenable number.

613068648 is an abundant number, since it is smaller than the sum of its proper divisors (969045912).

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

613068648 is a wasteful number, since it uses less digits than its factorization.

613068648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824057 (or 824053 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 613068648 is about 24760.2231007719. The cubic root of 613068648 is about 849.5123606672.

The spelling of 613068648 in words is "six hundred thirteen million, sixty-eight thousand, six hundred forty-eight".