497021760 has 336 divisors, whose sum is σ = 1863912960. Its totient is φ = 121098240.

The previous prime is 497021753. The next prime is 497021761. The reversal of 497021760 is 67120794.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497021761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1696174 + ... + 1696466.

It is an arithmetic number, because the mean of its divisors is an integer number (5547360).

Almost surely, 2^497021760 is an apocalyptic number.

497021760 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 497021760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931956480).

497021760 is an abundant number, since it is smaller than the sum of its proper divisors (1366891200).

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

497021760 is a wasteful number, since it uses less digits than its factorization.

497021760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 497021760 is about 22293.9848389650. The cubic root of 497021760 is about 792.1214995724.

The spelling of 497021760 in words is "four hundred ninety-seven million, twenty-one thousand, seven hundred sixty".