720428148 has 96 divisors (see below), whose sum is σ = 2045070720. Its totient is φ = 217509120.

The previous prime is 720428129. The next prime is 720428161. The reversal of 720428148 is 841824027.

It is a super-3 number, since 3×720428148³ (a number of 28 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 375640 + ... + 377552.

It is an arithmetic number, because the mean of its divisors is an integer number (21302820).

Almost surely, 2^720428148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 720428148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022535360).

720428148 is an abundant number, since it is smaller than the sum of its proper divisors (1324642572).

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

720428148 is a wasteful number, since it uses less digits than its factorization.

720428148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 720428148 is about 26840.7926112475. The cubic root of 720428148 is about 896.4585719305.

The spelling of 720428148 in words is "seven hundred twenty million, four hundred twenty-eight thousand, one hundred forty-eight".