62720720 has 20 divisors (see below), whose sum is σ = 145825860. Its totient is φ = 25088256.

The previous prime is 62720699. The next prime is 62720731. The reversal of 62720720 is 2702726.

62720720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48553024 + 14167696 = 6968^2 + 3764^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 62720720.

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 3 ways as a sum of consecutive naturals, for example, 391925 + ... + 392084.

It is an arithmetic number, because the mean of its divisors is an integer number (7291293).

Almost surely, 2^62720720 is an apocalyptic number.

It is an amenable number.

62720720 is an abundant number, since it is smaller than the sum of its proper divisors (83105140).

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

62720720 is a wasteful number, since it uses less digits than its factorization.

62720720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784022 (or 784016 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 62720720 is about 7919.6414060234. The cubic root of 62720720 is about 397.3168756853.

It can be divided in two parts, 62720 and 720, that multiplied together give a square (45158400 = 6720²).

The spelling of 62720720 in words is "sixty-two million, seven hundred twenty thousand, seven hundred twenty".