74748893 has 2 divisors, whose sum is σ = 74748894. Its totient is φ = 74748892.

The previous prime is 74748853. The next prime is 74748899. The reversal of 74748893 is 39884747.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51294244 + 23454649 = 7162^2 + 4843^2 .

It is a cyclic number.

It is not a de Polignac number, because 74748893 - 2¹² = 74744797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74748899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37374446 + 37374447.

It is an arithmetic number, because the mean of its divisors is an integer number (37374447).

Almost surely, 2^74748893 is an apocalyptic number.

It is an amenable number.

74748893 is a deficient number, since it is larger than the sum of its proper divisors (1).

74748893 is an equidigital number, since it uses as much as digits as its factorization.

74748893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 74748893 is about 8645.7442131953. The cubic root of 74748893 is about 421.2451578660.

The spelling of 74748893 in words is "seventy-four million, seven hundred forty-eight thousand, eight hundred ninety-three".