746798220 has 216 divisors, whose sum is σ = 2653835184. Its totient is φ = 169489152.

The previous prime is 746798209. The next prime is 746798237. The reversal of 746798220 is 22897647.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2001954 + ... + 2002326.

It is an arithmetic number, because the mean of its divisors is an integer number (12286274).

Almost surely, 2^746798220 is an apocalyptic number.

746798220 is a gapful number since it is divisible by the number (70) 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 746798220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326917592).

746798220 is an abundant number, since it is smaller than the sum of its proper divisors (1907036964).

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

746798220 is a wasteful number, since it uses less digits than its factorization.

746798220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 746798220 is about 27327.6091160570. The cubic root of 746798220 is about 907.2655588197.

The spelling of 746798220 in words is "seven hundred forty-six million, seven hundred ninety-eight thousand, two hundred twenty".