494237720 has 64 divisors (see below), whose sum is σ = 1172232000. Its totient is φ = 187253248.

The previous prime is 494237707. The next prime is 494237729. The reversal of 494237720 is 27732494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494237729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57461 + ... + 65499.

It is an arithmetic number, because the mean of its divisors is an integer number (18316125).

Almost surely, 2^494237720 is an apocalyptic number.

494237720 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 494237720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (586116000).

494237720 is an abundant number, since it is smaller than the sum of its proper divisors (677994280).

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

494237720 is a wasteful number, since it uses less digits than its factorization.

494237720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8132 (or 8128 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 494237720 is about 22231.4578919152. The cubic root of 494237720 is about 790.6397211088.

The spelling of 494237720 in words is "four hundred ninety-four million, two hundred thirty-seven thousand, seven hundred twenty".