74891363 has 2 divisors, whose sum is σ = 74891364. Its totient is φ = 74891362.

The previous prime is 74891353. The next prime is 74891413. The reversal of 74891363 is 36319847.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 74891363 - 2¹⁰ = 74890339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 74891363.

It is not a weakly prime, because it can be changed into another prime (74891353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37445681 + 37445682.

It is an arithmetic number, because the mean of its divisors is an integer number (37445682).

Almost surely, 2^74891363 is an apocalyptic number.

74891363 is a deficient number, since it is larger than the sum of its proper divisors (1).

74891363 is an equidigital number, since it uses as much as digits as its factorization.

74891363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The square root of 74891363 is about 8653.9796047830. The cubic root of 74891363 is about 421.5126164932.

The spelling of 74891363 in words is "seventy-four million, eight hundred ninety-one thousand, three hundred sixty-three".