613570464 has 240 divisors, whose sum is σ = 1972222560. Its totient is φ = 186001920.

The previous prime is 613570459. The next prime is 613570469. The reversal of 613570464 is 464075316.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (613570459) and next prime (613570469).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (613570469) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4414107 + ... + 4414245.

It is an arithmetic number, because the mean of its divisors is an integer number (8217594).

Almost surely, 2^613570464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613570464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (986111280).

613570464 is an abundant number, since it is smaller than the sum of its proper divisors (1358652096).

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

613570464 is a wasteful number, since it uses less digits than its factorization.

613570464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 613570464 is about 24770.3545392471. The cubic root of 613570464 is about 849.7440816639.

The spelling of 613570464 in words is "six hundred thirteen million, five hundred seventy thousand, four hundred sixty-four".