494643072 has 128 divisors (see below), whose sum is σ = 1638201600. Its totient is φ = 128471040.

The previous prime is 494643041. The next prime is 494643073. The reversal of 494643072 is 270346494.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 494643072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494643073) 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, 21204 + ... + 37932.

It is an arithmetic number, because the mean of its divisors is an integer number (12798450).

Almost surely, 2^494643072 is an apocalyptic number.

494643072 is a gapful number since it is divisible by the number (42) 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 494643072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819100800).

494643072 is an abundant number, since it is smaller than the sum of its proper divisors (1143558528).

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

494643072 is a wasteful number, since it uses less digits than its factorization.

494643072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16764 (or 16752 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 494643072 is about 22240.5726544979. The cubic root of 494643072 is about 790.8558113306.

The spelling of 494643072 in words is "four hundred ninety-four million, six hundred forty-three thousand, seventy-two".