613657480 has 32 divisors (see below), whose sum is σ = 1440763200. Its totient is φ = 234790336.

The previous prime is 613657439. The next prime is 613657531. The reversal of 613657480 is 84756316.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 332590 + ... + 334429.

It is an arithmetic number, because the mean of its divisors is an integer number (45023850).

Almost surely, 2^613657480 is an apocalyptic number.

It is an amenable number.

613657480 is an abundant number, since it is smaller than the sum of its proper divisors (827105720).

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

613657480 is a wasteful number, since it uses less digits than its factorization.

613657480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667053 (or 667049 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 613657480 is about 24772.1109314487. The cubic root of 613657480 is about 849.7842497403.

The spelling of 613657480 in words is "six hundred thirteen million, six hundred fifty-seven thousand, four hundred eighty".