58320720 has 60 divisors (see below), whose sum is σ = 195862836. Its totient is φ = 15552000.

The previous prime is 58320701. The next prime is 58320739. The reversal of 58320720 is 2702385.

It is an interprime number because it is at equal distance from previous prime (58320701) and next prime (58320739).

It can be written as a sum of positive squares in 2 ways, for example, as 37307664 + 21013056 = 6108^2 + 4584^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39781 + ... + 41220.

Almost surely, 2^58320720 is an apocalyptic number.

It is an amenable number.

58320720 is an abundant number, since it is smaller than the sum of its proper divisors (137542116).

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

58320720 is a wasteful number, since it uses less digits than its factorization.

58320720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81020 (or 81011 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 58320720 is about 7636.8003771213. The cubic root of 58320720 is about 387.7998400767.

It can be divided in two parts, 58320 and 720, that multiplied together give a square (41990400 = 6480²).

The spelling of 58320720 in words is "fifty-eight million, three hundred twenty thousand, seven hundred twenty".