58220740 has 24 divisors (see below), whose sum is σ = 122494680. Its totient is φ = 23244288.

The previous prime is 58220713. The next prime is 58220749. The reversal of 58220740 is 4702285.

It can be written as a sum of positive squares in 4 ways, for example, as 25867396 + 32353344 = 5086^2 + 5688^2 .

It is a super-2 number, since 2×58220740² = 6779309132295200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 58220699 and 58220708.

It is not an unprimeable number, because it can be changed into a prime (58220749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9406 + ... + 14314.

It is an arithmetic number, because the mean of its divisors is an integer number (5103945).

Almost surely, 2^58220740 is an apocalyptic number.

It is an amenable number.

58220740 is an abundant number, since it is smaller than the sum of its proper divisors (64273940).

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

58220740 is a wasteful number, since it uses less digits than its factorization.

58220740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5511 (or 5509 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 58220740 is about 7630.2516341206. The cubic root of 58220740 is about 387.5781098177.

The spelling of 58220740 in words is "fifty-eight million, two hundred twenty thousand, seven hundred forty".