721162848 has 96 divisors (see below), whose sum is σ = 2290788864. Its totient is φ = 193923072.

The previous prime is 721162829. The next prime is 721162853. The reversal of 721162848 is 848261127.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×721162848² = 1040151706670942208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 20140 + ... + 42987.

It is an arithmetic number, because the mean of its divisors is an integer number (23862384).

Almost surely, 2^721162848 is an apocalyptic number.

It is an amenable number.

721162848 is an abundant number, since it is smaller than the sum of its proper divisors (1569626016).

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

721162848 is a wasteful number, since it uses less digits than its factorization.

721162848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63164 (or 63156 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 721162848 is about 26854.4753812097. The cubic root of 721162848 is about 896.7632076065.

The spelling of 721162848 in words is "seven hundred twenty-one million, one hundred sixty-two thousand, eight hundred forty-eight".