613454720 has 32 divisors (see below), whose sum is σ = 1466541720. Its totient is φ = 245381632.

The previous prime is 613454717. The next prime is 613454731. The reversal of 613454720 is 27454316.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478622 + ... + 479901.

Almost surely, 2^613454720 is an apocalyptic number.

It is an amenable number.

613454720 is an abundant number, since it is smaller than the sum of its proper divisors (853087000).

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

613454720 is an equidigital number, since it uses as much as digits as its factorization.

613454720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958542 (or 958530 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 613454720 is about 24768.0180878487. The cubic root of 613454720 is about 849.6906463647.

The spelling of 613454720 in words is "six hundred thirteen million, four hundred fifty-four thousand, seven hundred twenty".