58307421 has 4 divisors (see below), whose sum is σ = 77743232. Its totient is φ = 38871612.

The previous prime is 58307413. The next prime is 58307443. The reversal of 58307421 is 12470385.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 58307421 - 2³ = 58307413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58307021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9717901 + ... + 9717906.

It is an arithmetic number, because the mean of its divisors is an integer number (19435808).

Almost surely, 2^58307421 is an apocalyptic number.

It is an amenable number.

58307421 is a deficient number, since it is larger than the sum of its proper divisors (19435811).

58307421 is a wasteful number, since it uses less digits than its factorization.

58307421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19435810.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 58307421 is about 7635.9296094189. The cubic root of 58307421 is about 387.7703608903.

The spelling of 58307421 in words is "fifty-eight million, three hundred seven thousand, four hundred twenty-one".