62749993 has 2 divisors, whose sum is σ = 62749994. Its totient is φ = 62749992.

The previous prime is 62749919. The next prime is 62750011. The reversal of 62749993 is 39994726.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42029289 + 20720704 = 6483^2 + 4552^2 .

It is a cyclic number.

It is not a de Polignac number, because 62749993 - 2¹³ = 62741801 is a prime.

It is not a weakly prime, because it can be changed into another prime (62749903) 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, 31374996 + 31374997.

It is an arithmetic number, because the mean of its divisors is an integer number (31374997).

Almost surely, 2^62749993 is an apocalyptic number.

It is an amenable number.

62749993 is a deficient number, since it is larger than the sum of its proper divisors (1).

62749993 is an equidigital number, since it uses as much as digits as its factorization.

62749993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The square root of 62749993 is about 7921.4893170413. The cubic root of 62749993 is about 397.3786779517.

The spelling of 62749993 in words is "sixty-two million, seven hundred forty-nine thousand, nine hundred ninety-three".