613064772 has 18 divisors (see below), whose sum is σ = 1549691598. Its totient is φ = 204354912.

The previous prime is 613064743. The next prime is 613064779. The reversal of 613064772 is 277460316.

613064772 is a `hidden beast` number, since 6 + 1 + 3 + 0 + 647 + 7 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 612265536 + 799236 = 24744^2 + 894^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 17029577 = 613064772 / (6 + 1 + 3 + 0 + 6 + 4 + 7 + 7 + 2).

It is not an unprimeable number, because it can be changed into a prime (613064779) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8514753 + ... + 8514824.

Almost surely, 2^613064772 is an apocalyptic number.

It is an amenable number.

613064772 is an abundant number, since it is smaller than the sum of its proper divisors (936626826).

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

613064772 is a wasteful number, since it uses less digits than its factorization.

613064772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17029587 (or 17029582 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 613064772 is about 24760.1448299480. The cubic root of 613064772 is about 849.5105703745.

The spelling of 613064772 in words is "six hundred thirteen million, sixty-four thousand, seven hundred seventy-two".