74284673 has 4 divisors (see below), whose sum is σ = 75331008. Its totient is φ = 73238340.

The previous prime is 74284669. The next prime is 74284681. The reversal of 74284673 is 37648247.

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.

It is a cyclic number.

It is not a de Polignac number, because 74284673 - 2² = 74284669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 74284673.

It is not an unprimeable number, because it can be changed into a prime (74284663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523061 + ... + 523202.

It is an arithmetic number, because the mean of its divisors is an integer number (18832752).

Almost surely, 2^74284673 is an apocalyptic number.

It is an amenable number.

74284673 is a deficient number, since it is larger than the sum of its proper divisors (1046335).

74284673 is a wasteful number, since it uses less digits than its factorization.

74284673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046334.

The product of its digits is 225792, while the sum is 41.

The square root of 74284673 is about 8618.8556665024. The cubic root of 74284673 is about 420.3713137334.

The spelling of 74284673 in words is "seventy-four million, two hundred eighty-four thousand, six hundred seventy-three".