59724421 has 2 divisors, whose sum is σ = 59724422. Its totient is φ = 59724420.

The previous prime is 59724397. The next prime is 59724433. The reversal of 59724421 is 12442795.

59724421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58752225 + 972196 = 7665^2 + 986^2 .

It is a cyclic number.

It is not a de Polignac number, because 59724421 - 2¹⁷ = 59593349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (59724221) by changing a digit.

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 as a sum of consecutive naturals, namely, 29862210 + 29862211.

It is an arithmetic number, because the mean of its divisors is an integer number (29862211).

Almost surely, 2^59724421 is an apocalyptic number.

It is an amenable number.

59724421 is a deficient number, since it is larger than the sum of its proper divisors (1).

59724421 is an equidigital number, since it uses as much as digits as its factorization.

59724421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 59724421 is about 7728.1576717870. The cubic root of 59724421 is about 390.8864800842.

The spelling of 59724421 in words is "fifty-nine million, seven hundred twenty-four thousand, four hundred twenty-one".