802421760 has 352 divisors, whose sum is σ = 3112750080. Its totient is φ = 172228608.

The previous prime is 802421731. The next prime is 802421761. The reversal of 802421760 is 67124208.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802421761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1827621 + ... + 1828059.

It is an arithmetic number, because the mean of its divisors is an integer number (8843040).

Almost surely, 2^802421760 is an apocalyptic number.

802421760 is a gapful number since it is divisible by the number (80) 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 802421760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556375040).

802421760 is an abundant number, since it is smaller than the sum of its proper divisors (2310328320).

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

802421760 is a wasteful number, since it uses less digits than its factorization.

802421760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 802421760 is about 28327.0499699492. The cubic root of 802421760 is about 929.2535575959.

Adding to 802421760 its reverse (67124208), we get a palindrome (869545968).

The spelling of 802421760 in words is "eight hundred two million, four hundred twenty-one thousand, seven hundred sixty".