494717720 has 96 divisors (see below), whose sum is σ = 1303225200. Its totient is φ = 168521472.

The previous prime is 494717719. The next prime is 494717759. The reversal of 494717720 is 27717494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338351 + ... + 339809.

Almost surely, 2^494717720 is an apocalyptic number.

494717720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494717720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (651612600).

494717720 is an abundant number, since it is smaller than the sum of its proper divisors (808507480).

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

494717720 is a wasteful number, since it uses less digits than its factorization.

494717720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657 (or 1646 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 494717720 is about 22242.2507853859. The cubic root of 494717720 is about 790.8955927666.

The spelling of 494717720 in words is "four hundred ninety-four million, seven hundred seventeen thousand, seven hundred twenty".