720908370 has 384 divisors, whose sum is σ = 2483412480. Its totient is φ = 145566720.

The previous prime is 720908351. The next prime is 720908399. The reversal of 720908370 is 73809027.

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 191 ways as a sum of consecutive naturals, for example, 11818140 + ... + 11818200.

It is an arithmetic number, because the mean of its divisors is an integer number (6467220).

Almost surely, 2^720908370 is an apocalyptic number.

720908370 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 720908370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1241706240).

720908370 is an abundant number, since it is smaller than the sum of its proper divisors (1762504110).

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

720908370 is a wasteful number, since it uses less digits than its factorization.

720908370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 128 counting only the distinct ones).

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

The square root of 720908370 is about 26849.7368702190. The cubic root of 720908370 is about 896.6577143946.

The spelling of 720908370 in words is "seven hundred twenty million, nine hundred eight thousand, three hundred seventy".