58721749 has 2 divisors, whose sum is σ = 58721750. Its totient is φ = 58721748.

The previous prime is 58721743. The next prime is 58721759. The reversal of 58721749 is 94712785.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53802225 + 4919524 = 7335^2 + 2218^2 .

It is a cyclic number.

It is not a de Polignac number, because 58721749 - 2¹⁷ = 58590677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58721743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29360874 + 29360875.

It is an arithmetic number, because the mean of its divisors is an integer number (29360875).

Almost surely, 2^58721749 is an apocalyptic number.

It is an amenable number.

58721749 is a deficient number, since it is larger than the sum of its proper divisors (1).

58721749 is an equidigital number, since it uses as much as digits as its factorization.

58721749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141120, while the sum is 43.

The square root of 58721749 is about 7663.0117447385. The cubic root of 58721749 is about 388.6866825466.

The spelling of 58721749 in words is "fifty-eight million, seven hundred twenty-one thousand, seven hundred forty-nine".