722701872 has 40 divisors (see below), whose sum is σ = 2074423280. Its totient is φ = 240900480.

The previous prime is 722701843. The next prime is 722701897. The reversal of 722701872 is 278107227.

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

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 7 ways as a sum of consecutive naturals, for example, 836029 + ... + 836892.

It is an arithmetic number, because the mean of its divisors is an integer number (51860582).

Almost surely, 2^722701872 is an apocalyptic number.

722701872 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

722701872 is an abundant number, since it is smaller than the sum of its proper divisors (1351721408).

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

722701872 is a wasteful number, since it uses less digits than its factorization.

722701872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672938 (or 1672926 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 722701872 is about 26883.1149980801. The cubic root of 722701872 is about 897.4006778097.

The spelling of 722701872 in words is "seven hundred twenty-two million, seven hundred one thousand, eight hundred seventy-two".