613622730 has 64 divisors (see below), whose sum is σ = 1685069568. Its totient is φ = 140090880.

The previous prime is 613622719. The next prime is 613622731. The reversal of 613622730 is 37226316.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (613622731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 310024 + ... + 311996.

It is an arithmetic number, because the mean of its divisors is an integer number (26329212).

Almost surely, 2^613622730 is an apocalyptic number.

613622730 is an abundant number, since it is smaller than the sum of its proper divisors (1071446838).

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

613622730 is a wasteful number, since it uses less digits than its factorization.

613622730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 613622730 is about 24771.4095279215. The cubic root of 613622730 is about 849.7682090004.

The spelling of 613622730 in words is "six hundred thirteen million, six hundred twenty-two thousand, seven hundred thirty".