74963963 has 2 divisors, whose sum is σ = 74963964. Its totient is φ = 74963962.

The previous prime is 74963957. The next prime is 74963971. The reversal of 74963963 is 36936947.

It is a weak prime.

It is an emirp because it is prime and its reverse (36936947) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74963963 - 2¹⁰ = 74962939 is a prime.

It is a super-3 number, since 3×74963963³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (74963563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37481981 + 37481982.

It is an arithmetic number, because the mean of its divisors is an integer number (37481982).

Almost surely, 2^74963963 is an apocalyptic number.

74963963 is a deficient number, since it is larger than the sum of its proper divisors (1).

74963963 is an equidigital number, since it uses as much as digits as its factorization.

74963963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 47.

The square root of 74963963 is about 8658.1731906910. The cubic root of 74963963 is about 421.6487778677.

The spelling of 74963963 in words is "seventy-four million, nine hundred sixty-three thousand, nine hundred sixty-three".