58064721 has 16 divisors (see below), whose sum is σ = 90955200. Its totient is φ = 32483520.

The previous prime is 58064717. The next prime is 58064737. The reversal of 58064721 is 12746085.

It is not a de Polignac number, because 58064721 - 2² = 58064717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (58064701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67246 + ... + 68103.

It is an arithmetic number, because the mean of its divisors is an integer number (5684700).

Almost surely, 2^58064721 is an apocalyptic number.

It is an amenable number.

58064721 is a deficient number, since it is larger than the sum of its proper divisors (32890479).

58064721 is a wasteful number, since it uses less digits than its factorization.

58064721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135376.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 58064721 is about 7620.0210629630. The cubic root of 58064721 is about 387.2315915793.

It can be divided in two parts, 58064 and 721, that added together give a palindrome (58785).

The spelling of 58064721 in words is "fifty-eight million, sixty-four thousand, seven hundred twenty-one".