62668493 has 2 divisors, whose sum is σ = 62668494. Its totient is φ = 62668492.

The previous prime is 62668469. The next prime is 62668597. The reversal of 62668493 is 39486626.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61418569 + 1249924 = 7837^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 62668493 - 2¹⁶ = 62602957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62668433) 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 as a sum of consecutive naturals, namely, 31334246 + 31334247.

It is an arithmetic number, because the mean of its divisors is an integer number (31334247).

Almost surely, 2^62668493 is an apocalyptic number.

It is an amenable number.

62668493 is a deficient number, since it is larger than the sum of its proper divisors (1).

62668493 is an equidigital number, since it uses as much as digits as its factorization.

62668493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 44.

The square root of 62668493 is about 7916.3434109442. The cubic root of 62668493 is about 397.2065642881.

The spelling of 62668493 in words is "sixty-two million, six hundred sixty-eight thousand, four hundred ninety-three".