74947963 has 2 divisors, whose sum is σ = 74947964. Its totient is φ = 74947962.

The previous prime is 74947927. The next prime is 74948017. The reversal of 74947963 is 36974947.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74947963 - 2⁹ = 74947451 is a prime.

It is not a weakly prime, because it can be changed into another prime (74941963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37473981 + 37473982.

It is an arithmetic number, because the mean of its divisors is an integer number (37473982).

Almost surely, 2^74947963 is an apocalyptic number.

74947963 is a deficient number, since it is larger than the sum of its proper divisors (1).

74947963 is an equidigital number, since it uses as much as digits as its factorization.

74947963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 49.

The square root of 74947963 is about 8657.2491589419. The cubic root of 74947963 is about 421.6187774061.

The spelling of 74947963 in words is "seventy-four million, nine hundred forty-seven thousand, nine hundred sixty-three".