74894377 has 4 divisors (see below), whose sum is σ = 75120976. Its totient is φ = 74667780.

The previous prime is 74894363. The next prime is 74894383. The reversal of 74894377 is 77349847.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77349847 = 17 ⋅4549991.

It is a cyclic number.

It is not a de Polignac number, because 74894377 - 2¹⁵ = 74861609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 74894377.

It is not an unprimeable number, because it can be changed into a prime (74894317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112803 + ... + 113464.

It is an arithmetic number, because the mean of its divisors is an integer number (18780244).

Almost surely, 2^74894377 is an apocalyptic number.

It is an amenable number.

74894377 is a deficient number, since it is larger than the sum of its proper divisors (226599).

74894377 is a wasteful number, since it uses less digits than its factorization.

74894377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226598.

The product of its digits is 1185408, while the sum is 49.

The square root of 74894377 is about 8654.1537425678. The cubic root of 74894377 is about 421.5182710037.

The spelling of 74894377 in words is "seventy-four million, eight hundred ninety-four thousand, three hundred seventy-seven".